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Finding the Fourth Proportional to 408,393.97, 563,501.10 and 238,595.29

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Solution

The fourth proportional to 408,393.97, 563,501.10 and 238,595.29 is: 329,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,393.97 : 563,501.10 = 238,595.29 : x
  2. Step 2: Convert to fraction form
    408,393.97/563,501.10 = 238,595.29/x
  3. Step 3: Cross multiply
    408,393.97x = 563,501.10 × 238,595.29
  4. Step 4: Simplify right side
    408,393.97x = 134,448,709,012.35
  5. Step 5: Solve for x
    x = 134,448,709,012.35/408,393.97
  6. Step 6: Final answer
    x = 329,213.25

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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.