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Finding the Fourth Proportional to 618,598.75, 927,898.13 and 151,654.75

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Solution

The fourth proportional to 618,598.75, 927,898.13 and 151,654.75 is: 227,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,598.75 : 927,898.13 = 151,654.75 : x
  2. Step 2: Convert to fraction form
    618,598.75/927,898.13 = 151,654.75/x
  3. Step 3: Cross multiply
    618,598.75x = 927,898.13 × 151,654.75
  4. Step 4: Simplify right side
    618,598.75x = 140,720,158,172.34
  5. Step 5: Solve for x
    x = 140,720,158,172.34/618,598.75
  6. Step 6: Final answer
    x = 227,482.13

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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.