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Finding the Fourth Proportional to 331,490.27, 457,456.59 and 180,587.27

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Solution

The fourth proportional to 331,490.27, 457,456.59 and 180,587.27 is: 249,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,490.27 : 457,456.59 = 180,587.27 : x
  2. Step 2: Convert to fraction form
    331,490.27/457,456.59 = 180,587.27/x
  3. Step 3: Cross multiply
    331,490.27x = 457,456.59 × 180,587.27
  4. Step 4: Simplify right side
    331,490.27x = 82,610,834,444.33
  5. Step 5: Solve for x
    x = 82,610,834,444.33/331,490.27
  6. Step 6: Final answer
    x = 249,210.44

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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.