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Finding the Fourth Proportional to 636,329.94, 954,658.95 and 187,065.48

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Solution

The fourth proportional to 636,329.94, 954,658.95 and 187,065.48 is: 280,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,329.94 : 954,658.95 = 187,065.48 : x
  2. Step 2: Convert to fraction form
    636,329.94/954,658.95 = 187,065.48/x
  3. Step 3: Cross multiply
    636,329.94x = 954,658.95 × 187,065.48
  4. Step 4: Simplify right side
    636,329.94x = 178,583,734,718.05
  5. Step 5: Solve for x
    x = 178,583,734,718.05/636,329.94
  6. Step 6: Final answer
    x = 280,646.44

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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.