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Finding the Fourth Proportional to 360,010.60, 540,015.90 and 149,799.40

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Solution

The fourth proportional to 360,010.60, 540,015.90 and 149,799.40 is: 224,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,010.60 : 540,015.90 = 149,799.40 : x
  2. Step 2: Convert to fraction form
    360,010.60/540,015.90 = 149,799.40/x
  3. Step 3: Cross multiply
    360,010.60x = 540,015.90 × 149,799.40
  4. Step 4: Simplify right side
    360,010.60x = 80,894,057,810.46
  5. Step 5: Solve for x
    x = 80,894,057,810.46/360,010.60
  6. Step 6: Final answer
    x = 224,699.10

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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.