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Finding the Fourth Proportional to 518,596.75, 777,895.13 and 124,612.75

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Solution

The fourth proportional to 518,596.75, 777,895.13 and 124,612.75 is: 186,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,596.75 : 777,895.13 = 124,612.75 : x
  2. Step 2: Convert to fraction form
    518,596.75/777,895.13 = 124,612.75/x
  3. Step 3: Cross multiply
    518,596.75x = 777,895.13 × 124,612.75
  4. Step 4: Simplify right side
    518,596.75x = 96,935,650,737.84
  5. Step 5: Solve for x
    x = 96,935,650,737.84/518,596.75
  6. Step 6: Final answer
    x = 186,919.13

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Similar ratio
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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.