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Finding the Fourth Proportional to 614,127.44, 921,191.16 and 239,888

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Solution

The fourth proportional to 614,127.44, 921,191.16 and 239,888 is: 359,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,127.44 : 921,191.16 = 239,888 : x
  2. Step 2: Convert to fraction form
    614,127.44/921,191.16 = 239,888/x
  3. Step 3: Cross multiply
    614,127.44x = 921,191.16 × 239,888
  4. Step 4: Simplify right side
    614,127.44x = 220,982,704,990.08
  5. Step 5: Solve for x
    x = 220,982,704,990.08/614,127.44
  6. Step 6: Final answer
    x = 359,832.00

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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.