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Finding the Fourth Proportional to 636,230.27, 954,320.47 and 215,506.13

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Solution

The fourth proportional to 636,230.27, 954,320.47 and 215,506.13 is: 323,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,230.27 : 954,320.47 = 215,506.13 : x
  2. Step 2: Convert to fraction form
    636,230.27/954,320.47 = 215,506.13/x
  3. Step 3: Cross multiply
    636,230.27x = 954,320.47 × 215,506.13
  4. Step 4: Simplify right side
    636,230.27x = 205,661,911,269.48
  5. Step 5: Solve for x
    x = 205,661,911,269.48/636,230.27
  6. Step 6: Final answer
    x = 323,250.75

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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.