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Finding the Fourth Proportional to 555,863.04, 829,726.61 and 477,480.96

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Solution

The fourth proportional to 555,863.04, 829,726.61 and 477,480.96 is: 712,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,863.04 : 829,726.61 = 477,480.96 : x
  2. Step 2: Convert to fraction form
    555,863.04/829,726.61 = 477,480.96/x
  3. Step 3: Cross multiply
    555,863.04x = 829,726.61 × 477,480.96
  4. Step 4: Simplify right side
    555,863.04x = 396,178,658,280.35
  5. Step 5: Solve for x
    x = 396,178,658,280.35/555,863.04
  6. Step 6: Final answer
    x = 712,727.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.