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Finding the Fourth Proportional to 415,425.58, 573,289.81 and 231,675.77

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Solution

The fourth proportional to 415,425.58, 573,289.81 and 231,675.77 is: 319,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,425.58 : 573,289.81 = 231,675.77 : x
  2. Step 2: Convert to fraction form
    415,425.58/573,289.81 = 231,675.77/x
  3. Step 3: Cross multiply
    415,425.58x = 573,289.81 × 231,675.77
  4. Step 4: Simplify right side
    415,425.58x = 132,817,354,719.27
  5. Step 5: Solve for x
    x = 132,817,354,719.27/415,425.58
  6. Step 6: Final answer
    x = 319,713.96

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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.