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Finding the Fourth Proportional to 704,840.04, 972,654.52 and 382,543.65

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Solution

The fourth proportional to 704,840.04, 972,654.52 and 382,543.65 is: 527,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,840.04 : 972,654.52 = 382,543.65 : x
  2. Step 2: Convert to fraction form
    704,840.04/972,654.52 = 382,543.65/x
  3. Step 3: Cross multiply
    704,840.04x = 972,654.52 × 382,543.65
  4. Step 4: Simplify right side
    704,840.04x = 372,082,813,179.61
  5. Step 5: Solve for x
    x = 372,082,813,179.61/704,840.04
  6. Step 6: Final answer
    x = 527,896.81

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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.