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Finding the Fourth Proportional to 566,506.80, 849,760.20 and 426,538.80

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Solution

The fourth proportional to 566,506.80, 849,760.20 and 426,538.80 is: 639,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,506.80 : 849,760.20 = 426,538.80 : x
  2. Step 2: Convert to fraction form
    566,506.80/849,760.20 = 426,538.80/x
  3. Step 3: Cross multiply
    566,506.80x = 849,760.20 × 426,538.80
  4. Step 4: Simplify right side
    566,506.80x = 362,455,695,995.76
  5. Step 5: Solve for x
    x = 362,455,695,995.76/566,506.80
  6. Step 6: Final answer
    x = 639,808.20

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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.