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Finding the Fourth Proportional to 706,656.57, 1,059,427.17 and 351,476.84

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Solution

The fourth proportional to 706,656.57, 1,059,427.17 and 351,476.84 is: 526,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,656.57 : 1,059,427.17 = 351,476.84 : x
  2. Step 2: Convert to fraction form
    706,656.57/1,059,427.17 = 351,476.84/x
  3. Step 3: Cross multiply
    706,656.57x = 1,059,427.17 × 351,476.84
  4. Step 4: Simplify right side
    706,656.57x = 372,364,108,624.61
  5. Step 5: Solve for x
    x = 372,364,108,624.61/706,656.57
  6. Step 6: Final answer
    x = 526,937.87

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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.