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Finding the Fourth Proportional to 592,187.80, 888,972.90 and 339,669.40

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Solution

The fourth proportional to 592,187.80, 888,972.90 and 339,669.40 is: 509,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,187.80 : 888,972.90 = 339,669.40 : x
  2. Step 2: Convert to fraction form
    592,187.80/888,972.90 = 339,669.40/x
  3. Step 3: Cross multiply
    592,187.80x = 888,972.90 × 339,669.40
  4. Step 4: Simplify right side
    592,187.80x = 301,956,891,559.26
  5. Step 5: Solve for x
    x = 301,956,891,559.26/592,187.80
  6. Step 6: Final answer
    x = 509,900.56

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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.