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Finding the Fourth Proportional to 385,598.72, 532,025.34 and 222,215.24

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Solution

The fourth proportional to 385,598.72, 532,025.34 and 222,215.24 is: 306,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,598.72 : 532,025.34 = 222,215.24 : x
  2. Step 2: Convert to fraction form
    385,598.72/532,025.34 = 222,215.24/x
  3. Step 3: Cross multiply
    385,598.72x = 532,025.34 × 222,215.24
  4. Step 4: Simplify right side
    385,598.72x = 118,224,138,614.18
  5. Step 5: Solve for x
    x = 118,224,138,614.18/385,598.72
  6. Step 6: Final answer
    x = 306,598.89

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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.