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Finding the Fourth Proportional to 537,998.16, 807,609.60 and 272,058.96

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Solution

The fourth proportional to 537,998.16, 807,609.60 and 272,058.96 is: 408,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,998.16 : 807,609.60 = 272,058.96 : x
  2. Step 2: Convert to fraction form
    537,998.16/807,609.60 = 272,058.96/x
  3. Step 3: Cross multiply
    537,998.16x = 807,609.60 × 272,058.96
  4. Step 4: Simplify right side
    537,998.16x = 219,717,427,862.02
  5. Step 5: Solve for x
    x = 219,717,427,862.02/537,998.16
  6. Step 6: Final answer
    x = 408,398.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.