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Finding the Fourth Proportional to 614,088.86, 921,273.48 and 187,685.37

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Solution

The fourth proportional to 614,088.86, 921,273.48 and 187,685.37 is: 281,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,088.86 : 921,273.48 = 187,685.37 : x
  2. Step 2: Convert to fraction form
    614,088.86/921,273.48 = 187,685.37/x
  3. Step 3: Cross multiply
    614,088.86x = 921,273.48 × 187,685.37
  4. Step 4: Simplify right side
    614,088.86x = 172,909,553,964.99
  5. Step 5: Solve for x
    x = 172,909,553,964.99/614,088.86
  6. Step 6: Final answer
    x = 281,570.90

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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.