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Finding the Fourth Proportional to 704,887.81, 972,746.16 and 382,597.97

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Solution

The fourth proportional to 704,887.81, 972,746.16 and 382,597.97 is: 527,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,887.81 : 972,746.16 = 382,597.97 : x
  2. Step 2: Convert to fraction form
    704,887.81/972,746.16 = 382,597.97/x
  3. Step 3: Cross multiply
    704,887.81x = 972,746.16 × 382,597.97
  4. Step 4: Simplify right side
    704,887.81x = 372,170,706,141.30
  5. Step 5: Solve for x
    x = 372,170,706,141.30/704,887.81
  6. Step 6: Final answer
    x = 527,985.73

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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.