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Finding the Fourth Proportional to 296,588.48, 444,882.72 and 74,972.48

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Solution

The fourth proportional to 296,588.48, 444,882.72 and 74,972.48 is: 112,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,588.48 : 444,882.72 = 74,972.48 : x
  2. Step 2: Convert to fraction form
    296,588.48/444,882.72 = 74,972.48/x
  3. Step 3: Cross multiply
    296,588.48x = 444,882.72 × 74,972.48
  4. Step 4: Simplify right side
    296,588.48x = 33,353,960,827.55
  5. Step 5: Solve for x
    x = 33,353,960,827.55/296,588.48
  6. Step 6: Final answer
    x = 112,458.72

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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.