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Finding the Fourth Proportional to 662,649.20, 993,973.80 and 241,938.80

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Solution

The fourth proportional to 662,649.20, 993,973.80 and 241,938.80 is: 362,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,649.20 : 993,973.80 = 241,938.80 : x
  2. Step 2: Convert to fraction form
    662,649.20/993,973.80 = 241,938.80/x
  3. Step 3: Cross multiply
    662,649.20x = 993,973.80 × 241,938.80
  4. Step 4: Simplify right side
    662,649.20x = 240,480,828,403.44
  5. Step 5: Solve for x
    x = 240,480,828,403.44/662,649.20
  6. Step 6: Final answer
    x = 362,908.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.