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Finding the Fourth Proportional to 950,770.59, 1,425,262.59 and 319,241.40

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Solution

The fourth proportional to 950,770.59, 1,425,262.59 and 319,241.40 is: 478,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,770.59 : 1,425,262.59 = 319,241.40 : x
  2. Step 2: Convert to fraction form
    950,770.59/1,425,262.59 = 319,241.40/x
  3. Step 3: Cross multiply
    950,770.59x = 1,425,262.59 × 319,241.40
  4. Step 4: Simplify right side
    950,770.59x = 455,002,824,599.23
  5. Step 5: Solve for x
    x = 455,002,824,599.23/950,770.59
  6. Step 6: Final answer
    x = 478,562.16

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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.