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Finding the Fourth Proportional to 572,366.40, 858,273.12 and 335,785.92

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Solution

The fourth proportional to 572,366.40, 858,273.12 and 335,785.92 is: 503,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,366.40 : 858,273.12 = 335,785.92 : x
  2. Step 2: Convert to fraction form
    572,366.40/858,273.12 = 335,785.92/x
  3. Step 3: Cross multiply
    572,366.40x = 858,273.12 × 335,785.92
  4. Step 4: Simplify right side
    572,366.40x = 288,196,029,210.47
  5. Step 5: Solve for x
    x = 288,196,029,210.47/572,366.40
  6. Step 6: Final answer
    x = 503,516.68

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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.