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Finding the Fourth Proportional to 323,169.84, 484,976.12 and 112,807.77

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Solution

The fourth proportional to 323,169.84, 484,976.12 and 112,807.77 is: 169,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,169.84 : 484,976.12 = 112,807.77 : x
  2. Step 2: Convert to fraction form
    323,169.84/484,976.12 = 112,807.77/x
  3. Step 3: Cross multiply
    323,169.84x = 484,976.12 × 112,807.77
  4. Step 4: Simplify right side
    323,169.84x = 54,709,074,036.41
  5. Step 5: Solve for x
    x = 54,709,074,036.41/323,169.84
  6. Step 6: Final answer
    x = 169,288.92

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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.