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Finding the Fourth Proportional to 354,848.80, 532,212.72 and 177,167.20

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Solution

The fourth proportional to 354,848.80, 532,212.72 and 177,167.20 is: 265,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,848.80 : 532,212.72 = 177,167.20 : x
  2. Step 2: Convert to fraction form
    354,848.80/532,212.72 = 177,167.20/x
  3. Step 3: Cross multiply
    354,848.80x = 532,212.72 × 177,167.20
  4. Step 4: Simplify right side
    354,848.80x = 94,290,637,406.78
  5. Step 5: Solve for x
    x = 94,290,637,406.78/354,848.80
  6. Step 6: Final answer
    x = 265,720.60

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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.