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Finding the Fourth Proportional to 385,573.32, 532,093.86 and 224,522.28

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Solution

The fourth proportional to 385,573.32, 532,093.86 and 224,522.28 is: 309,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,573.32 : 532,093.86 = 224,522.28 : x
  2. Step 2: Convert to fraction form
    385,573.32/532,093.86 = 224,522.28/x
  3. Step 3: Cross multiply
    385,573.32x = 532,093.86 × 224,522.28
  4. Step 4: Simplify right side
    385,573.32x = 119,466,926,621.20
  5. Step 5: Solve for x
    x = 119,466,926,621.20/385,573.32
  6. Step 6: Final answer
    x = 309,842.31

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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.