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Finding the Fourth Proportional to 582,897.43, 874,341.28 and 162,172.09

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Solution

The fourth proportional to 582,897.43, 874,341.28 and 162,172.09 is: 243,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,897.43 : 874,341.28 = 162,172.09 : x
  2. Step 2: Convert to fraction form
    582,897.43/874,341.28 = 162,172.09/x
  3. Step 3: Cross multiply
    582,897.43x = 874,341.28 × 162,172.09
  4. Step 4: Simplify right side
    582,897.43x = 141,793,752,750.88
  5. Step 5: Solve for x
    x = 141,793,752,750.88/582,897.43
  6. Step 6: Final answer
    x = 243,256.78

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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.