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Finding the Fourth Proportional to 555,388.58, 832,452.87 and 255,248.82

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Solution

The fourth proportional to 555,388.58, 832,452.87 and 255,248.82 is: 382,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,388.58 : 832,452.87 = 255,248.82 : x
  2. Step 2: Convert to fraction form
    555,388.58/832,452.87 = 255,248.82/x
  3. Step 3: Cross multiply
    555,388.58x = 832,452.87 × 255,248.82
  4. Step 4: Simplify right side
    555,388.58x = 212,482,608,610.85
  5. Step 5: Solve for x
    x = 212,482,608,610.85/555,388.58
  6. Step 6: Final answer
    x = 382,583.69

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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.