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Finding the Fourth Proportional to 539,247.85, 808,763.09 and 197,574.90

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Solution

The fourth proportional to 539,247.85, 808,763.09 and 197,574.90 is: 296,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,247.85 : 808,763.09 = 197,574.90 : x
  2. Step 2: Convert to fraction form
    539,247.85/808,763.09 = 197,574.90/x
  3. Step 3: Cross multiply
    539,247.85x = 808,763.09 × 197,574.90
  4. Step 4: Simplify right side
    539,247.85x = 159,791,286,630.44
  5. Step 5: Solve for x
    x = 159,791,286,630.44/539,247.85
  6. Step 6: Final answer
    x = 296,322.53

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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.