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Finding the Fourth Proportional to 586,534.39, 879,816.87 and 187,174.62

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Solution

The fourth proportional to 586,534.39, 879,816.87 and 187,174.62 is: 280,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,534.39 : 879,816.87 = 187,174.62 : x
  2. Step 2: Convert to fraction form
    586,534.39/879,816.87 = 187,174.62/x
  3. Step 3: Cross multiply
    586,534.39x = 879,816.87 × 187,174.62
  4. Step 4: Simplify right side
    586,534.39x = 164,679,388,311.84
  5. Step 5: Solve for x
    x = 164,679,388,311.84/586,534.39
  6. Step 6: Final answer
    x = 280,766.81

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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.