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Finding the Fourth Proportional to 614,242.08, 847,616.76 and 338,587.86

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Solution

The fourth proportional to 614,242.08, 847,616.76 and 338,587.86 is: 467,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,242.08 : 847,616.76 = 338,587.86 : x
  2. Step 2: Convert to fraction form
    614,242.08/847,616.76 = 338,587.86/x
  3. Step 3: Cross multiply
    614,242.08x = 847,616.76 × 338,587.86
  4. Step 4: Simplify right side
    614,242.08x = 286,992,744,868.53
  5. Step 5: Solve for x
    x = 286,992,744,868.53/614,242.08
  6. Step 6: Final answer
    x = 467,230.68

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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.