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Finding the Fourth Proportional to 240,309.59, 360,483.62 and 71,817.64

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Solution

The fourth proportional to 240,309.59, 360,483.62 and 71,817.64 is: 107,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,309.59 : 360,483.62 = 71,817.64 : x
  2. Step 2: Convert to fraction form
    240,309.59/360,483.62 = 71,817.64/x
  3. Step 3: Cross multiply
    240,309.59x = 360,483.62 × 71,817.64
  4. Step 4: Simplify right side
    240,309.59x = 25,889,081,586.76
  5. Step 5: Solve for x
    x = 25,889,081,586.76/240,309.59
  6. Step 6: Final answer
    x = 107,732.21

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1.5x scale

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.