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Finding the Fourth Proportional to 322,356.80, 444,725.04 and 186,365.76

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Solution

The fourth proportional to 322,356.80, 444,725.04 and 186,365.76 is: 257,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,356.80 : 444,725.04 = 186,365.76 : x
  2. Step 2: Convert to fraction form
    322,356.80/444,725.04 = 186,365.76/x
  3. Step 3: Cross multiply
    322,356.80x = 444,725.04 × 186,365.76
  4. Step 4: Simplify right side
    322,356.80x = 82,881,520,070.63
  5. Step 5: Solve for x
    x = 82,881,520,070.63/322,356.80
  6. Step 6: Final answer
    x = 257,111.13

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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.