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Finding the Fourth Proportional to 577,868.85, 866,841.33 and 151,415.13

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Solution

The fourth proportional to 577,868.85, 866,841.33 and 151,415.13 is: 227,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,868.85 : 866,841.33 = 151,415.13 : x
  2. Step 2: Convert to fraction form
    577,868.85/866,841.33 = 151,415.13/x
  3. Step 3: Cross multiply
    577,868.85x = 866,841.33 × 151,415.13
  4. Step 4: Simplify right side
    577,868.85x = 131,252,892,671.32
  5. Step 5: Solve for x
    x = 131,252,892,671.32/577,868.85
  6. Step 6: Final answer
    x = 227,132.67

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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.