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Finding the Fourth Proportional to 708,062.40, 1,061,700 and 234,489.48

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Solution

The fourth proportional to 708,062.40, 1,061,700 and 234,489.48 is: 351,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,062.40 : 1,061,700 = 234,489.48 : x
  2. Step 2: Convert to fraction form
    708,062.40/1,061,700 = 234,489.48/x
  3. Step 3: Cross multiply
    708,062.40x = 1,061,700 × 234,489.48
  4. Step 4: Simplify right side
    708,062.40x = 248,957,480,916
  5. Step 5: Solve for x
    x = 248,957,480,916/708,062.40
  6. Step 6: Final answer
    x = 351,603.87

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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.