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Finding the Fourth Proportional to 448,803.92, 619,264.80 and 267,532.71

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Solution

The fourth proportional to 448,803.92, 619,264.80 and 267,532.71 is: 369,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,803.92 : 619,264.80 = 267,532.71 : x
  2. Step 2: Convert to fraction form
    448,803.92/619,264.80 = 267,532.71/x
  3. Step 3: Cross multiply
    448,803.92x = 619,264.80 × 267,532.71
  4. Step 4: Simplify right side
    448,803.92x = 165,673,590,151.61
  5. Step 5: Solve for x
    x = 165,673,590,151.61/448,803.92
  6. Step 6: Final answer
    x = 369,144.71

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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.