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Finding the Fourth Proportional to 501,515.55, 752,364.45 and 164,462.40

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Solution

The fourth proportional to 501,515.55, 752,364.45 and 164,462.40 is: 246,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,515.55 : 752,364.45 = 164,462.40 : x
  2. Step 2: Convert to fraction form
    501,515.55/752,364.45 = 164,462.40/x
  3. Step 3: Cross multiply
    501,515.55x = 752,364.45 × 164,462.40
  4. Step 4: Simplify right side
    501,515.55x = 123,735,663,121.68
  5. Step 5: Solve for x
    x = 123,735,663,121.68/501,515.55
  6. Step 6: Final answer
    x = 246,723.48

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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.