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Finding the Fourth Proportional to 574,565.97, 792,893.59 and 316,438.01

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Solution

The fourth proportional to 574,565.97, 792,893.59 and 316,438.01 is: 436,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,565.97 : 792,893.59 = 316,438.01 : x
  2. Step 2: Convert to fraction form
    574,565.97/792,893.59 = 316,438.01/x
  3. Step 3: Cross multiply
    574,565.97x = 792,893.59 × 316,438.01
  4. Step 4: Simplify right side
    574,565.97x = 250,901,669,761.36
  5. Step 5: Solve for x
    x = 250,901,669,761.36/574,565.97
  6. Step 6: Final answer
    x = 436,680.35

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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.