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Finding the Fourth Proportional to 313,341.84, 432,366.12 and 179,179.92

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Solution

The fourth proportional to 313,341.84, 432,366.12 and 179,179.92 is: 247,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,341.84 : 432,366.12 = 179,179.92 : x
  2. Step 2: Convert to fraction form
    313,341.84/432,366.12 = 179,179.92/x
  3. Step 3: Cross multiply
    313,341.84x = 432,366.12 × 179,179.92
  4. Step 4: Simplify right side
    313,341.84x = 77,471,326,792.31
  5. Step 5: Solve for x
    x = 77,471,326,792.31/313,341.84
  6. Step 6: Final answer
    x = 247,242.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.