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Finding the Fourth Proportional to 567,219.88, 782,753.36 and 309,099.08

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Solution

The fourth proportional to 567,219.88, 782,753.36 and 309,099.08 is: 426,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,219.88 : 782,753.36 = 309,099.08 : x
  2. Step 2: Convert to fraction form
    567,219.88/782,753.36 = 309,099.08/x
  3. Step 3: Cross multiply
    567,219.88x = 782,753.36 × 309,099.08
  4. Step 4: Simplify right side
    567,219.88x = 241,948,343,442.91
  5. Step 5: Solve for x
    x = 241,948,343,442.91/567,219.88
  6. Step 6: Final answer
    x = 426,551.24

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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.