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Finding the Fourth Proportional to 592,912.80, 888,437.30 and 458,306.40

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Solution

The fourth proportional to 592,912.80, 888,437.30 and 458,306.40 is: 686,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,912.80 : 888,437.30 = 458,306.40 : x
  2. Step 2: Convert to fraction form
    592,912.80/888,437.30 = 458,306.40/x
  3. Step 3: Cross multiply
    592,912.80x = 888,437.30 × 458,306.40
  4. Step 4: Simplify right side
    592,912.80x = 407,176,500,588.72
  5. Step 5: Solve for x
    x = 407,176,500,588.72/592,912.80
  6. Step 6: Final answer
    x = 686,739.27

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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.