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Finding the Fourth Proportional to 618,159.14, 927,371.33 and 191,685.80

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Solution

The fourth proportional to 618,159.14, 927,371.33 and 191,685.80 is: 287,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,159.14 : 927,371.33 = 191,685.80 : x
  2. Step 2: Convert to fraction form
    618,159.14/927,371.33 = 191,685.80/x
  3. Step 3: Cross multiply
    618,159.14x = 927,371.33 × 191,685.80
  4. Step 4: Simplify right side
    618,159.14x = 177,763,909,692.83
  5. Step 5: Solve for x
    x = 177,763,909,692.83/618,159.14
  6. Step 6: Final answer
    x = 287,569.82

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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.