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Finding the Fourth Proportional to 389,180.16, 583,770.24 and 300,562.92

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Solution

The fourth proportional to 389,180.16, 583,770.24 and 300,562.92 is: 450,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,180.16 : 583,770.24 = 300,562.92 : x
  2. Step 2: Convert to fraction form
    389,180.16/583,770.24 = 300,562.92/x
  3. Step 3: Cross multiply
    389,180.16x = 583,770.24 × 300,562.92
  4. Step 4: Simplify right side
    389,180.16x = 175,459,687,943.50
  5. Step 5: Solve for x
    x = 175,459,687,943.50/389,180.16
  6. Step 6: Final answer
    x = 450,844.38

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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.