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Finding the Fourth Proportional to 506,454.53, 702,103.55 and 479,488.82

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Solution

The fourth proportional to 506,454.53, 702,103.55 and 479,488.82 is: 664,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,454.53 : 702,103.55 = 479,488.82 : x
  2. Step 2: Convert to fraction form
    506,454.53/702,103.55 = 479,488.82/x
  3. Step 3: Cross multiply
    506,454.53x = 702,103.55 × 479,488.82
  4. Step 4: Simplify right side
    506,454.53x = 336,650,796,799.35
  5. Step 5: Solve for x
    x = 336,650,796,799.35/506,454.53
  6. Step 6: Final answer
    x = 664,720.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.