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Finding the Fourth Proportional to 415,366.31, 573,205.51 and 224,379.72

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Solution

The fourth proportional to 415,366.31, 573,205.51 and 224,379.72 is: 309,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,366.31 : 573,205.51 = 224,379.72 : x
  2. Step 2: Convert to fraction form
    415,366.31/573,205.51 = 224,379.72/x
  3. Step 3: Cross multiply
    415,366.31x = 573,205.51 × 224,379.72
  4. Step 4: Simplify right side
    415,366.31x = 128,615,692,116.73
  5. Step 5: Solve for x
    x = 128,615,692,116.73/415,366.31
  6. Step 6: Final answer
    x = 309,644.01

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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.