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Finding the Fourth Proportional to 339,306.68, 468,264.32 and 188,404.76

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Solution

The fourth proportional to 339,306.68, 468,264.32 and 188,404.76 is: 260,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,306.68 : 468,264.32 = 188,404.76 : x
  2. Step 2: Convert to fraction form
    339,306.68/468,264.32 = 188,404.76/x
  3. Step 3: Cross multiply
    339,306.68x = 468,264.32 × 188,404.76
  4. Step 4: Simplify right side
    339,306.68x = 88,223,226,826.16
  5. Step 5: Solve for x
    x = 88,223,226,826.16/339,306.68
  6. Step 6: Final answer
    x = 260,010.29

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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.