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Finding the Fourth Proportional to 408,492.68, 563,324.10 and 272,532.16

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Solution

The fourth proportional to 408,492.68, 563,324.10 and 272,532.16 is: 375,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,492.68 : 563,324.10 = 272,532.16 : x
  2. Step 2: Convert to fraction form
    408,492.68/563,324.10 = 272,532.16/x
  3. Step 3: Cross multiply
    408,492.68x = 563,324.10 × 272,532.16
  4. Step 4: Simplify right side
    408,492.68x = 153,523,930,936.44
  5. Step 5: Solve for x
    x = 153,523,930,936.44/408,492.68
  6. Step 6: Final answer
    x = 375,830.31

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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.