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Finding the Fourth Proportional to 574,610.48, 792,962.04 and 316,489.16

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Solution

The fourth proportional to 574,610.48, 792,962.04 and 316,489.16 is: 436,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,610.48 : 792,962.04 = 316,489.16 : x
  2. Step 2: Convert to fraction form
    574,610.48/792,962.04 = 316,489.16/x
  3. Step 3: Cross multiply
    574,610.48x = 792,962.04 × 316,489.16
  4. Step 4: Simplify right side
    574,610.48x = 250,963,889,951.49
  5. Step 5: Solve for x
    x = 250,963,889,951.49/574,610.48
  6. Step 6: Final answer
    x = 436,754.81

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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.