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Finding the Fourth Proportional to 365,208.65, 547,812.98 and 98,969.15

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Solution

The fourth proportional to 365,208.65, 547,812.98 and 98,969.15 is: 148,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,208.65 : 547,812.98 = 98,969.15 : x
  2. Step 2: Convert to fraction form
    365,208.65/547,812.98 = 98,969.15/x
  3. Step 3: Cross multiply
    365,208.65x = 547,812.98 × 98,969.15
  4. Step 4: Simplify right side
    365,208.65x = 54,216,584,989.57
  5. Step 5: Solve for x
    x = 54,216,584,989.57/365,208.65
  6. Step 6: Final answer
    x = 148,453.73

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Similar ratio
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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.