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Finding the Fourth Proportional to 408,885.19, 564,248.97 and 227,592.45

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Solution

The fourth proportional to 408,885.19, 564,248.97 and 227,592.45 is: 314,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,885.19 : 564,248.97 = 227,592.45 : x
  2. Step 2: Convert to fraction form
    408,885.19/564,248.97 = 227,592.45/x
  3. Step 3: Cross multiply
    408,885.19x = 564,248.97 × 227,592.45
  4. Step 4: Simplify right side
    408,885.19x = 128,418,805,492.28
  5. Step 5: Solve for x
    x = 128,418,805,492.28/408,885.19
  6. Step 6: Final answer
    x = 314,070.57

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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.