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Finding the Fourth Proportional to 415,729.80, 573,703.56 and 224,741.52

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Solution

The fourth proportional to 415,729.80, 573,703.56 and 224,741.52 is: 310,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,729.80 : 573,703.56 = 224,741.52 : x
  2. Step 2: Convert to fraction form
    415,729.80/573,703.56 = 224,741.52/x
  3. Step 3: Cross multiply
    415,729.80x = 573,703.56 × 224,741.52
  4. Step 4: Simplify right side
    415,729.80x = 128,935,010,103.81
  5. Step 5: Solve for x
    x = 128,935,010,103.81/415,729.80
  6. Step 6: Final answer
    x = 310,141.37

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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.