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Finding the Fourth Proportional to 704,845.61, 972,687.41 and 382,555.71

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Solution

The fourth proportional to 704,845.61, 972,687.41 and 382,555.71 is: 527,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,845.61 : 972,687.41 = 382,555.71 : x
  2. Step 2: Convert to fraction form
    704,845.61/972,687.41 = 382,555.71/x
  3. Step 3: Cross multiply
    704,845.61x = 972,687.41 × 382,555.71
  4. Step 4: Simplify right side
    704,845.61x = 372,107,123,697.00
  5. Step 5: Solve for x
    x = 372,107,123,697.00/704,845.61
  6. Step 6: Final answer
    x = 527,927.14

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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.