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Finding the Fourth Proportional to 363,011.20, 544,516.80 and 166,019.20

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Solution

The fourth proportional to 363,011.20, 544,516.80 and 166,019.20 is: 249,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,011.20 : 544,516.80 = 166,019.20 : x
  2. Step 2: Convert to fraction form
    363,011.20/544,516.80 = 166,019.20/x
  3. Step 3: Cross multiply
    363,011.20x = 544,516.80 × 166,019.20
  4. Step 4: Simplify right side
    363,011.20x = 90,400,243,522.56
  5. Step 5: Solve for x
    x = 90,400,243,522.56/363,011.20
  6. Step 6: Final answer
    x = 249,028.80

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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.