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Finding the Fourth Proportional to 592,912.80, 889,952.40 and 293,731.20

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Solution

The fourth proportional to 592,912.80, 889,952.40 and 293,731.20 is: 440,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,912.80 : 889,952.40 = 293,731.20 : x
  2. Step 2: Convert to fraction form
    592,912.80/889,952.40 = 293,731.20/x
  3. Step 3: Cross multiply
    592,912.80x = 889,952.40 × 293,731.20
  4. Step 4: Simplify right side
    592,912.80x = 261,406,786,394.88
  5. Step 5: Solve for x
    x = 261,406,786,394.88/592,912.80
  6. Step 6: Final answer
    x = 440,885.72

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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.