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Finding the Fourth Proportional to 618,003.40, 927,005.10 and 243,977.80

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Solution

The fourth proportional to 618,003.40, 927,005.10 and 243,977.80 is: 365,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,003.40 : 927,005.10 = 243,977.80 : x
  2. Step 2: Convert to fraction form
    618,003.40/927,005.10 = 243,977.80/x
  3. Step 3: Cross multiply
    618,003.40x = 927,005.10 × 243,977.80
  4. Step 4: Simplify right side
    618,003.40x = 226,168,664,886.78
  5. Step 5: Solve for x
    x = 226,168,664,886.78/618,003.40
  6. Step 6: Final answer
    x = 365,966.70

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Similar ratio
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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.