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Finding the Fourth Proportional to 574,470.29, 792,754.67 and 316,345.19

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Solution

The fourth proportional to 574,470.29, 792,754.67 and 316,345.19 is: 436,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,470.29 : 792,754.67 = 316,345.19 : x
  2. Step 2: Convert to fraction form
    574,470.29/792,754.67 = 316,345.19/x
  3. Step 3: Cross multiply
    574,470.29x = 792,754.67 × 316,345.19
  4. Step 4: Simplify right side
    574,470.29x = 250,784,121,159.04
  5. Step 5: Solve for x
    x = 250,784,121,159.04/574,470.29
  6. Step 6: Final answer
    x = 436,548.47

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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.