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Finding the Fourth Proportional to 346,211.96, 519,312.54 and 177,635

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Solution

The fourth proportional to 346,211.96, 519,312.54 and 177,635 is: 266,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,211.96 : 519,312.54 = 177,635 : x
  2. Step 2: Convert to fraction form
    346,211.96/519,312.54 = 177,635/x
  3. Step 3: Cross multiply
    346,211.96x = 519,312.54 × 177,635
  4. Step 4: Simplify right side
    346,211.96x = 92,248,083,042.90
  5. Step 5: Solve for x
    x = 92,248,083,042.90/346,211.96
  6. Step 6: Final answer
    x = 266,449.73

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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.