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Finding the Fourth Proportional to 385,767.52, 533,374.56 and 337,883.15

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Solution

The fourth proportional to 385,767.52, 533,374.56 and 337,883.15 is: 467,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,767.52 : 533,374.56 = 337,883.15 : x
  2. Step 2: Convert to fraction form
    385,767.52/533,374.56 = 337,883.15/x
  3. Step 3: Cross multiply
    385,767.52x = 533,374.56 × 337,883.15
  4. Step 4: Simplify right side
    385,767.52x = 180,218,276,462.66
  5. Step 5: Solve for x
    x = 180,218,276,462.66/385,767.52
  6. Step 6: Final answer
    x = 467,168.09

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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.