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Finding the Fourth Proportional to 594,665.88, 891,990.84 and 145,390.62

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Solution

The fourth proportional to 594,665.88, 891,990.84 and 145,390.62 is: 218,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,665.88 : 891,990.84 = 145,390.62 : x
  2. Step 2: Convert to fraction form
    594,665.88/891,990.84 = 145,390.62/x
  3. Step 3: Cross multiply
    594,665.88x = 891,990.84 × 145,390.62
  4. Step 4: Simplify right side
    594,665.88x = 129,687,101,261.92
  5. Step 5: Solve for x
    x = 129,687,101,261.92/594,665.88
  6. Step 6: Final answer
    x = 218,083.98

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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.