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Finding the Fourth Proportional to 335,591.04, 502,796.06 and 315,612.78

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Solution

The fourth proportional to 335,591.04, 502,796.06 and 315,612.78 is: 472,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,591.04 : 502,796.06 = 315,612.78 : x
  2. Step 2: Convert to fraction form
    335,591.04/502,796.06 = 315,612.78/x
  3. Step 3: Cross multiply
    335,591.04x = 502,796.06 × 315,612.78
  4. Step 4: Simplify right side
    335,591.04x = 158,688,862,269.65
  5. Step 5: Solve for x
    x = 158,688,862,269.65/335,591.04
  6. Step 6: Final answer
    x = 472,863.82

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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.