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Finding the Fourth Proportional to 383,957.68, 529,966.99 and 222,864.63

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Solution

The fourth proportional to 383,957.68, 529,966.99 and 222,864.63 is: 307,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,957.68 : 529,966.99 = 222,864.63 : x
  2. Step 2: Convert to fraction form
    383,957.68/529,966.99 = 222,864.63/x
  3. Step 3: Cross multiply
    383,957.68x = 529,966.99 × 222,864.63
  4. Step 4: Simplify right side
    383,957.68x = 118,110,897,138.56
  5. Step 5: Solve for x
    x = 118,110,897,138.56/383,957.68
  6. Step 6: Final answer
    x = 307,614.36

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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.