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Finding the Fourth Proportional to 408,285.47, 563,465.50 and 244,948.09

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Solution

The fourth proportional to 408,285.47, 563,465.50 and 244,948.09 is: 338,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,285.47 : 563,465.50 = 244,948.09 : x
  2. Step 2: Convert to fraction form
    408,285.47/563,465.50 = 244,948.09/x
  3. Step 3: Cross multiply
    408,285.47x = 563,465.50 × 244,948.09
  4. Step 4: Simplify right side
    408,285.47x = 138,019,798,005.90
  5. Step 5: Solve for x
    x = 138,019,798,005.90/408,285.47
  6. Step 6: Final answer
    x = 338,047.29

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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.