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Finding the Fourth Proportional to 369,891.59, 554,790.62 and 117,197.71

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Solution

The fourth proportional to 369,891.59, 554,790.62 and 117,197.71 is: 175,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,891.59 : 554,790.62 = 117,197.71 : x
  2. Step 2: Convert to fraction form
    369,891.59/554,790.62 = 117,197.71/x
  3. Step 3: Cross multiply
    369,891.59x = 554,790.62 × 117,197.71
  4. Step 4: Simplify right side
    369,891.59x = 65,020,189,099.50
  5. Step 5: Solve for x
    x = 65,020,189,099.50/369,891.59
  6. Step 6: Final answer
    x = 175,781.75

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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.