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Finding the Fourth Proportional to 704,905.52, 972,743.52 and 382,608.75

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Solution

The fourth proportional to 704,905.52, 972,743.52 and 382,608.75 is: 527,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,905.52 : 972,743.52 = 382,608.75 : x
  2. Step 2: Convert to fraction form
    704,905.52/972,743.52 = 382,608.75/x
  3. Step 3: Cross multiply
    704,905.52x = 972,743.52 × 382,608.75
  4. Step 4: Simplify right side
    704,905.52x = 372,180,182,257.80
  5. Step 5: Solve for x
    x = 372,180,182,257.80/704,905.52
  6. Step 6: Final answer
    x = 527,985.91

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1.5x scale

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.