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Finding the Fourth Proportional to 672,957.59, 928,521.75 and 382,546.21

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Solution

The fourth proportional to 672,957.59, 928,521.75 and 382,546.21 is: 527,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,957.59 : 928,521.75 = 382,546.21 : x
  2. Step 2: Convert to fraction form
    672,957.59/928,521.75 = 382,546.21/x
  3. Step 3: Cross multiply
    672,957.59x = 928,521.75 × 382,546.21
  4. Step 4: Simplify right side
    672,957.59x = 355,202,476,365.07
  5. Step 5: Solve for x
    x = 355,202,476,365.07/672,957.59
  6. Step 6: Final answer
    x = 527,822.97

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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.