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Finding the Fourth Proportional to 511,456.52, 767,156.85 and 156,470.51

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Solution

The fourth proportional to 511,456.52, 767,156.85 and 156,470.51 is: 234,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,456.52 : 767,156.85 = 156,470.51 : x
  2. Step 2: Convert to fraction form
    511,456.52/767,156.85 = 156,470.51/x
  3. Step 3: Cross multiply
    511,456.52x = 767,156.85 × 156,470.51
  4. Step 4: Simplify right side
    511,456.52x = 120,037,419,733.71
  5. Step 5: Solve for x
    x = 120,037,419,733.71/511,456.52
  6. Step 6: Final answer
    x = 234,697.22

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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.