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Finding the Fourth Proportional to 553,124.66, 763,337.87 and 335,340.13

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Solution

The fourth proportional to 553,124.66, 763,337.87 and 335,340.13 is: 462,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,124.66 : 763,337.87 = 335,340.13 : x
  2. Step 2: Convert to fraction form
    553,124.66/763,337.87 = 335,340.13/x
  3. Step 3: Cross multiply
    553,124.66x = 763,337.87 × 335,340.13
  4. Step 4: Simplify right side
    553,124.66x = 255,977,816,573.43
  5. Step 5: Solve for x
    x = 255,977,816,573.43/553,124.66
  6. Step 6: Final answer
    x = 462,785.04

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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.