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Finding the Fourth Proportional to 296,383.59, 444,575.68 and 138,722.76

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Solution

The fourth proportional to 296,383.59, 444,575.68 and 138,722.76 is: 208,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,383.59 : 444,575.68 = 138,722.76 : x
  2. Step 2: Convert to fraction form
    296,383.59/444,575.68 = 138,722.76/x
  3. Step 3: Cross multiply
    296,383.59x = 444,575.68 × 138,722.76
  4. Step 4: Simplify right side
    296,383.59x = 61,672,765,011.67
  5. Step 5: Solve for x
    x = 61,672,765,011.67/296,383.59
  6. Step 6: Final answer
    x = 208,084.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.