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Finding the Fourth Proportional to 592,860.65, 889,288 and 143,581.50

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Solution

The fourth proportional to 592,860.65, 889,288 and 143,581.50 is: 215,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,860.65 : 889,288 = 143,581.50 : x
  2. Step 2: Convert to fraction form
    592,860.65/889,288 = 143,581.50/x
  3. Step 3: Cross multiply
    592,860.65x = 889,288 × 143,581.50
  4. Step 4: Simplify right side
    592,860.65x = 127,685,304,972
  5. Step 5: Solve for x
    x = 127,685,304,972/592,860.65
  6. Step 6: Final answer
    x = 215,371.53

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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.