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Finding the Fourth Proportional to 704,897.79, 972,759.92 and 382,607.95

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Solution

The fourth proportional to 704,897.79, 972,759.92 and 382,607.95 is: 527,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,897.79 : 972,759.92 = 382,607.95 : x
  2. Step 2: Convert to fraction form
    704,897.79/972,759.92 = 382,607.95/x
  3. Step 3: Cross multiply
    704,897.79x = 972,759.92 × 382,607.95
  4. Step 4: Simplify right side
    704,897.79x = 372,185,678,833.36
  5. Step 5: Solve for x
    x = 372,185,678,833.36/704,897.79
  6. Step 6: Final answer
    x = 527,999.50

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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.