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Finding the Fourth Proportional to 615,733.92, 849,488.04 and 361,035.72

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Solution

The fourth proportional to 615,733.92, 849,488.04 and 361,035.72 is: 498,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,733.92 : 849,488.04 = 361,035.72 : x
  2. Step 2: Convert to fraction form
    615,733.92/849,488.04 = 361,035.72/x
  3. Step 3: Cross multiply
    615,733.92x = 849,488.04 × 361,035.72
  4. Step 4: Simplify right side
    615,733.92x = 306,695,526,152.79
  5. Step 5: Solve for x
    x = 306,695,526,152.79/615,733.92
  6. Step 6: Final answer
    x = 498,097.50

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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.