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Finding the Fourth Proportional to 704,888.81, 972,747.54 and 382,598.97

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Solution

The fourth proportional to 704,888.81, 972,747.54 and 382,598.97 is: 527,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,888.81 : 972,747.54 = 382,598.97 : x
  2. Step 2: Convert to fraction form
    704,888.81/972,747.54 = 382,598.97/x
  3. Step 3: Cross multiply
    704,888.81x = 972,747.54 × 382,598.97
  4. Step 4: Simplify right side
    704,888.81x = 372,172,206,874.03
  5. Step 5: Solve for x
    x = 372,172,206,874.03/704,888.81
  6. Step 6: Final answer
    x = 527,987.12

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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.