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Finding the Fourth Proportional to 425,508.06, 587,203.84 and 234,521.46

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Solution

The fourth proportional to 425,508.06, 587,203.84 and 234,521.46 is: 323,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,508.06 : 587,203.84 = 234,521.46 : x
  2. Step 2: Convert to fraction form
    425,508.06/587,203.84 = 234,521.46/x
  3. Step 3: Cross multiply
    425,508.06x = 587,203.84 × 234,521.46
  4. Step 4: Simplify right side
    425,508.06x = 137,711,901,874.41
  5. Step 5: Solve for x
    x = 137,711,901,874.41/425,508.06
  6. Step 6: Final answer
    x = 323,641.11

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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.