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Finding the Fourth Proportional to 350,406.34, 525,731.49 and 110,557.28

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Solution

The fourth proportional to 350,406.34, 525,731.49 and 110,557.28 is: 165,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,406.34 : 525,731.49 = 110,557.28 : x
  2. Step 2: Convert to fraction form
    350,406.34/525,731.49 = 110,557.28/x
  3. Step 3: Cross multiply
    350,406.34x = 525,731.49 × 110,557.28
  4. Step 4: Simplify right side
    350,406.34x = 58,123,441,054.29
  5. Step 5: Solve for x
    x = 58,123,441,054.29/350,406.34
  6. Step 6: Final answer
    x = 165,874.40

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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.