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Finding the Fourth Proportional to 566,447.04, 781,605.45 and 324,685.13

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Solution

The fourth proportional to 566,447.04, 781,605.45 and 324,685.13 is: 448,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,447.04 : 781,605.45 = 324,685.13 : x
  2. Step 2: Convert to fraction form
    566,447.04/781,605.45 = 324,685.13/x
  3. Step 3: Cross multiply
    566,447.04x = 781,605.45 × 324,685.13
  4. Step 4: Simplify right side
    566,447.04x = 253,775,663,233.93
  5. Step 5: Solve for x
    x = 253,775,663,233.93/566,447.04
  6. Step 6: Final answer
    x = 448,013.05

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.