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Finding the Fourth Proportional to 293,391.40, 440,087.10 and 124,868.20

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Solution

The fourth proportional to 293,391.40, 440,087.10 and 124,868.20 is: 187,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,391.40 : 440,087.10 = 124,868.20 : x
  2. Step 2: Convert to fraction form
    293,391.40/440,087.10 = 124,868.20/x
  3. Step 3: Cross multiply
    293,391.40x = 440,087.10 × 124,868.20
  4. Step 4: Simplify right side
    293,391.40x = 54,952,884,020.22
  5. Step 5: Solve for x
    x = 54,952,884,020.22/293,391.40
  6. Step 6: Final answer
    x = 187,302.30

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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.