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Finding the Fourth Proportional to 539,271.76, 808,847.89 and 193,041.52

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Solution

The fourth proportional to 539,271.76, 808,847.89 and 193,041.52 is: 289,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,271.76 : 808,847.89 = 193,041.52 : x
  2. Step 2: Convert to fraction form
    539,271.76/808,847.89 = 193,041.52/x
  3. Step 3: Cross multiply
    539,271.76x = 808,847.89 × 193,041.52
  4. Step 4: Simplify right side
    539,271.76x = 156,141,226,134.39
  5. Step 5: Solve for x
    x = 156,141,226,134.39/539,271.76
  6. Step 6: Final answer
    x = 289,540.89

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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.