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Finding the Fourth Proportional to 360,015.40, 539,504.70 and 160,172.20

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Solution

The fourth proportional to 360,015.40, 539,504.70 and 160,172.20 is: 240,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,015.40 : 539,504.70 = 160,172.20 : x
  2. Step 2: Convert to fraction form
    360,015.40/539,504.70 = 160,172.20/x
  3. Step 3: Cross multiply
    360,015.40x = 539,504.70 × 160,172.20
  4. Step 4: Simplify right side
    360,015.40x = 86,413,654,709.34
  5. Step 5: Solve for x
    x = 86,413,654,709.34/360,015.40
  6. Step 6: Final answer
    x = 240,027.66

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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.