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Finding the Fourth Proportional to 614,240.77, 847,614.97 and 338,586.54

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Solution

The fourth proportional to 614,240.77, 847,614.97 and 338,586.54 is: 467,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,240.77 : 847,614.97 = 338,586.54 : x
  2. Step 2: Convert to fraction form
    614,240.77/847,614.97 = 338,586.54/x
  3. Step 3: Cross multiply
    614,240.77x = 847,614.97 × 338,586.54
  4. Step 4: Simplify right side
    614,240.77x = 286,991,020,367.74
  5. Step 5: Solve for x
    x = 286,991,020,367.74/614,240.77
  6. Step 6: Final answer
    x = 467,228.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.