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Finding the Fourth Proportional to 569,624.95, 853,690 and 419,160.70

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Solution

The fourth proportional to 569,624.95, 853,690 and 419,160.70 is: 628,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,624.95 : 853,690 = 419,160.70 : x
  2. Step 2: Convert to fraction form
    569,624.95/853,690 = 419,160.70/x
  3. Step 3: Cross multiply
    569,624.95x = 853,690 × 419,160.70
  4. Step 4: Simplify right side
    569,624.95x = 357,833,297,983
  5. Step 5: Solve for x
    x = 357,833,297,983/569,624.95
  6. Step 6: Final answer
    x = 628,191.05

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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.