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Finding the Fourth Proportional to 567,281.20, 850,864.20 and 193,298.80

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Solution

The fourth proportional to 567,281.20, 850,864.20 and 193,298.80 is: 289,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,281.20 : 850,864.20 = 193,298.80 : x
  2. Step 2: Convert to fraction form
    567,281.20/850,864.20 = 193,298.80/x
  3. Step 3: Cross multiply
    567,281.20x = 850,864.20 × 193,298.80
  4. Step 4: Simplify right side
    567,281.20x = 164,471,028,822.96
  5. Step 5: Solve for x
    x = 164,471,028,822.96/567,281.20
  6. Step 6: Final answer
    x = 289,928.57

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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.