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Finding the Fourth Proportional to 704,864.16, 972,713.25 and 382,574.31

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Solution

The fourth proportional to 704,864.16, 972,713.25 and 382,574.31 is: 527,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,864.16 : 972,713.25 = 382,574.31 : x
  2. Step 2: Convert to fraction form
    704,864.16/972,713.25 = 382,574.31/x
  3. Step 3: Cross multiply
    704,864.16x = 972,713.25 × 382,574.31
  4. Step 4: Simplify right side
    704,864.16x = 372,135,100,446.61
  5. Step 5: Solve for x
    x = 372,135,100,446.61/704,864.16
  6. Step 6: Final answer
    x = 527,952.93

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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.