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Finding the Fourth Proportional to 636,117.44, 954,292.80 and 261,936.32

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Solution

The fourth proportional to 636,117.44, 954,292.80 and 261,936.32 is: 392,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,117.44 : 954,292.80 = 261,936.32 : x
  2. Step 2: Convert to fraction form
    636,117.44/954,292.80 = 261,936.32/x
  3. Step 3: Cross multiply
    636,117.44x = 954,292.80 × 261,936.32
  4. Step 4: Simplify right side
    636,117.44x = 249,963,944,234.50
  5. Step 5: Solve for x
    x = 249,963,944,234.50/636,117.44
  6. Step 6: Final answer
    x = 392,952.51

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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.