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Finding the Fourth Proportional to 346,592.90, 519,889.35 and 169,213.70

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Solution

The fourth proportional to 346,592.90, 519,889.35 and 169,213.70 is: 253,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,592.90 : 519,889.35 = 169,213.70 : x
  2. Step 2: Convert to fraction form
    346,592.90/519,889.35 = 169,213.70/x
  3. Step 3: Cross multiply
    346,592.90x = 519,889.35 × 169,213.70
  4. Step 4: Simplify right side
    346,592.90x = 87,972,400,504.10
  5. Step 5: Solve for x
    x = 87,972,400,504.10/346,592.90
  6. Step 6: Final answer
    x = 253,820.55

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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.