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Finding the Fourth Proportional to 636,923.69, 954,335.78 and 369,934.73

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Solution

The fourth proportional to 636,923.69, 954,335.78 and 369,934.73 is: 554,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,923.69 : 954,335.78 = 369,934.73 : x
  2. Step 2: Convert to fraction form
    636,923.69/954,335.78 = 369,934.73/x
  3. Step 3: Cross multiply
    636,923.69x = 954,335.78 × 369,934.73
  4. Step 4: Simplify right side
    636,923.69x = 353,041,947,253.97
  5. Step 5: Solve for x
    x = 353,041,947,253.97/636,923.69
  6. Step 6: Final answer
    x = 554,292.38

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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.