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Finding the Fourth Proportional to 408,290.56, 563,472.54 and 244,953.22

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Solution

The fourth proportional to 408,290.56, 563,472.54 and 244,953.22 is: 338,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,290.56 : 563,472.54 = 244,953.22 : x
  2. Step 2: Convert to fraction form
    408,290.56/563,472.54 = 244,953.22/x
  3. Step 3: Cross multiply
    408,290.56x = 563,472.54 × 244,953.22
  4. Step 4: Simplify right side
    408,290.56x = 138,024,413,054.58
  5. Step 5: Solve for x
    x = 138,024,413,054.58/408,290.56
  6. Step 6: Final answer
    x = 338,054.38

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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.