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Finding the Fourth Proportional to 662,657.20, 993,985.80 and 241,946.80

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Solution

The fourth proportional to 662,657.20, 993,985.80 and 241,946.80 is: 362,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,657.20 : 993,985.80 = 241,946.80 : x
  2. Step 2: Convert to fraction form
    662,657.20/993,985.80 = 241,946.80/x
  3. Step 3: Cross multiply
    662,657.20x = 993,985.80 × 241,946.80
  4. Step 4: Simplify right side
    662,657.20x = 240,491,683,555.44
  5. Step 5: Solve for x
    x = 240,491,683,555.44/662,657.20
  6. Step 6: Final answer
    x = 362,920.20

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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.