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Finding the Fourth Proportional to 293,534.40, 440,189.82 and 124,948.32

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Solution

The fourth proportional to 293,534.40, 440,189.82 and 124,948.32 is: 187,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,534.40 : 440,189.82 = 124,948.32 : x
  2. Step 2: Convert to fraction form
    293,534.40/440,189.82 = 124,948.32/x
  3. Step 3: Cross multiply
    293,534.40x = 440,189.82 × 124,948.32
  4. Step 4: Simplify right side
    293,534.40x = 55,000,978,490.10
  5. Step 5: Solve for x
    x = 55,000,978,490.10/293,534.40
  6. Step 6: Final answer
    x = 187,374.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.