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Finding the Fourth Proportional to 324,281.60, 486,276.60 and 124,535.60

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Solution

The fourth proportional to 324,281.60, 486,276.60 and 124,535.60 is: 186,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,281.60 : 486,276.60 = 124,535.60 : x
  2. Step 2: Convert to fraction form
    324,281.60/486,276.60 = 124,535.60/x
  3. Step 3: Cross multiply
    324,281.60x = 486,276.60 × 124,535.60
  4. Step 4: Simplify right side
    324,281.60x = 60,558,748,146.96
  5. Step 5: Solve for x
    x = 60,558,748,146.96/324,281.60
  6. Step 6: Final answer
    x = 186,747.41

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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.