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Finding the Fourth Proportional to 706,500.28, 974,476.20 and 464,705.56

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Solution

The fourth proportional to 706,500.28, 974,476.20 and 464,705.56 is: 640,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,500.28 : 974,476.20 = 464,705.56 : x
  2. Step 2: Convert to fraction form
    706,500.28/974,476.20 = 464,705.56/x
  3. Step 3: Cross multiply
    706,500.28x = 974,476.20 × 464,705.56
  4. Step 4: Simplify right side
    706,500.28x = 452,844,508,227.67
  5. Step 5: Solve for x
    x = 452,844,508,227.67/706,500.28
  6. Step 6: Final answer
    x = 640,968.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.