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Finding the Fourth Proportional to 704,843.20, 972,658.92 and 382,546.84

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Solution

The fourth proportional to 704,843.20, 972,658.92 and 382,546.84 is: 527,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,843.20 : 972,658.92 = 382,546.84 : x
  2. Step 2: Convert to fraction form
    704,843.20/972,658.92 = 382,546.84/x
  3. Step 3: Cross multiply
    704,843.20x = 972,658.92 × 382,546.84
  4. Step 4: Simplify right side
    704,843.20x = 372,087,596,243.81
  5. Step 5: Solve for x
    x = 372,087,596,243.81/704,843.20
  6. Step 6: Final answer
    x = 527,901.24

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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.