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Finding the Fourth Proportional to 618,253.05, 927,272.50 and 185,964.25

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Solution

The fourth proportional to 618,253.05, 927,272.50 and 185,964.25 is: 278,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,253.05 : 927,272.50 = 185,964.25 : x
  2. Step 2: Convert to fraction form
    618,253.05/927,272.50 = 185,964.25/x
  3. Step 3: Cross multiply
    618,253.05x = 927,272.50 × 185,964.25
  4. Step 4: Simplify right side
    618,253.05x = 172,439,535,008.13
  5. Step 5: Solve for x
    x = 172,439,535,008.13/618,253.05
  6. Step 6: Final answer
    x = 278,914.17

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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.