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Finding the Fourth Proportional to 479,232, 661,340.16 and 267,264

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Solution

The fourth proportional to 479,232, 661,340.16 and 267,264 is: 368,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,232 : 661,340.16 = 267,264 : x
  2. Step 2: Convert to fraction form
    479,232/661,340.16 = 267,264/x
  3. Step 3: Cross multiply
    479,232x = 661,340.16 × 267,264
  4. Step 4: Simplify right side
    479,232x = 176,752,416,522.24
  5. Step 5: Solve for x
    x = 176,752,416,522.24/479,232
  6. Step 6: Final answer
    x = 368,824.32

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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.