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Finding the Fourth Proportional to 564,730.80, 847,201.10 and 185,672.67

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Solution

The fourth proportional to 564,730.80, 847,201.10 and 185,672.67 is: 278,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,730.80 : 847,201.10 = 185,672.67 : x
  2. Step 2: Convert to fraction form
    564,730.80/847,201.10 = 185,672.67/x
  3. Step 3: Cross multiply
    564,730.80x = 847,201.10 × 185,672.67
  4. Step 4: Simplify right side
    564,730.80x = 157,302,089,335.57
  5. Step 5: Solve for x
    x = 157,302,089,335.57/564,730.80
  6. Step 6: Final answer
    x = 278,543.49

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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.