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Finding the Fourth Proportional to 342,177.24, 513,266.12 and 92,859.24

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Solution

The fourth proportional to 342,177.24, 513,266.12 and 92,859.24 is: 139,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,177.24 : 513,266.12 = 92,859.24 : x
  2. Step 2: Convert to fraction form
    342,177.24/513,266.12 = 92,859.24/x
  3. Step 3: Cross multiply
    342,177.24x = 513,266.12 × 92,859.24
  4. Step 4: Simplify right side
    342,177.24x = 47,661,501,820.95
  5. Step 5: Solve for x
    x = 47,661,501,820.95/342,177.24
  6. Step 6: Final answer
    x = 139,288.93

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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.