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Finding the Fourth Proportional to 591,585.80, 887,961.90 and 292,404.20

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Solution

The fourth proportional to 591,585.80, 887,961.90 and 292,404.20 is: 438,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,585.80 : 887,961.90 = 292,404.20 : x
  2. Step 2: Convert to fraction form
    591,585.80/887,961.90 = 292,404.20/x
  3. Step 3: Cross multiply
    591,585.80x = 887,961.90 × 292,404.20
  4. Step 4: Simplify right side
    591,585.80x = 259,643,788,999.98
  5. Step 5: Solve for x
    x = 259,643,788,999.98/591,585.80
  6. Step 6: Final answer
    x = 438,894.56

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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.