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Finding the Fourth Proportional to 569,321.70, 853,292.06 and 418,160.36

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Solution

The fourth proportional to 569,321.70, 853,292.06 and 418,160.36 is: 626,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,321.70 : 853,292.06 = 418,160.36 : x
  2. Step 2: Convert to fraction form
    569,321.70/853,292.06 = 418,160.36/x
  3. Step 3: Cross multiply
    569,321.70x = 853,292.06 × 418,160.36
  4. Step 4: Simplify right side
    569,321.70x = 356,812,914,994.74
  5. Step 5: Solve for x
    x = 356,812,914,994.74/569,321.70
  6. Step 6: Final answer
    x = 626,733.38

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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.