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Finding the Fourth Proportional to 592,648.50, 889,001.28 and 193,288.52

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Solution

The fourth proportional to 592,648.50, 889,001.28 and 193,288.52 is: 289,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,648.50 : 889,001.28 = 193,288.52 : x
  2. Step 2: Convert to fraction form
    592,648.50/889,001.28 = 193,288.52/x
  3. Step 3: Cross multiply
    592,648.50x = 889,001.28 × 193,288.52
  4. Step 4: Simplify right side
    592,648.50x = 171,833,741,689.31
  5. Step 5: Solve for x
    x = 171,833,741,689.31/592,648.50
  6. Step 6: Final answer
    x = 289,942.08

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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.