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Finding the Fourth Proportional to 574,320.52, 792,562.35 and 319,666.24

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Solution

The fourth proportional to 574,320.52, 792,562.35 and 319,666.24 is: 441,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,320.52 : 792,562.35 = 319,666.24 : x
  2. Step 2: Convert to fraction form
    574,320.52/792,562.35 = 319,666.24/x
  3. Step 3: Cross multiply
    574,320.52x = 792,562.35 × 319,666.24
  4. Step 4: Simplify right side
    574,320.52x = 253,355,426,390.06
  5. Step 5: Solve for x
    x = 253,355,426,390.06/574,320.52
  6. Step 6: Final answer
    x = 441,139.43

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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.