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Finding the Fourth Proportional to 265,572.30, 398,482.82 and 132,462.82

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Solution

The fourth proportional to 265,572.30, 398,482.82 and 132,462.82 is: 198,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,572.30 : 398,482.82 = 132,462.82 : x
  2. Step 2: Convert to fraction form
    265,572.30/398,482.82 = 132,462.82/x
  3. Step 3: Cross multiply
    265,572.30x = 398,482.82 × 132,462.82
  4. Step 4: Simplify right side
    265,572.30x = 52,784,158,058.75
  5. Step 5: Solve for x
    x = 52,784,158,058.75/265,572.30
  6. Step 6: Final answer
    x = 198,756.26

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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.