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Finding the Fourth Proportional to 588,809.70, 882,307.35 and 438,344.10

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Solution

The fourth proportional to 588,809.70, 882,307.35 and 438,344.10 is: 656,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,809.70 : 882,307.35 = 438,344.10 : x
  2. Step 2: Convert to fraction form
    588,809.70/882,307.35 = 438,344.10/x
  3. Step 3: Cross multiply
    588,809.70x = 882,307.35 × 438,344.10
  4. Step 4: Simplify right side
    588,809.70x = 386,754,221,259.14
  5. Step 5: Solve for x
    x = 386,754,221,259.14/588,809.70
  6. Step 6: Final answer
    x = 656,840.78

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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.