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Finding the Fourth Proportional to 614,207.70, 847,612.83 and 338,575.37

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Solution

The fourth proportional to 614,207.70, 847,612.83 and 338,575.37 is: 467,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,207.70 : 847,612.83 = 338,575.37 : x
  2. Step 2: Convert to fraction form
    614,207.70/847,612.83 = 338,575.37/x
  3. Step 3: Cross multiply
    614,207.70x = 847,612.83 × 338,575.37
  4. Step 4: Simplify right side
    614,207.70x = 286,980,826,474.48
  5. Step 5: Solve for x
    x = 286,980,826,474.48/614,207.70
  6. Step 6: Final answer
    x = 467,237.43

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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.