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Finding the Fourth Proportional to 610,761.34, 916,146.88 and 250,839.46

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Solution

The fourth proportional to 610,761.34, 916,146.88 and 250,839.46 is: 376,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,761.34 : 916,146.88 = 250,839.46 : x
  2. Step 2: Convert to fraction form
    610,761.34/916,146.88 = 250,839.46/x
  3. Step 3: Cross multiply
    610,761.34x = 916,146.88 × 250,839.46
  4. Step 4: Simplify right side
    610,761.34x = 229,805,788,659.89
  5. Step 5: Solve for x
    x = 229,805,788,659.89/610,761.34
  6. Step 6: Final answer
    x = 376,261.19

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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.