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Finding the Fourth Proportional to 314,994.92, 434,683.52 and 171,757.76

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Solution

The fourth proportional to 314,994.92, 434,683.52 and 171,757.76 is: 237,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,994.92 : 434,683.52 = 171,757.76 : x
  2. Step 2: Convert to fraction form
    314,994.92/434,683.52 = 171,757.76/x
  3. Step 3: Cross multiply
    314,994.92x = 434,683.52 × 171,757.76
  4. Step 4: Simplify right side
    314,994.92x = 74,660,267,704.12
  5. Step 5: Solve for x
    x = 74,660,267,704.12/314,994.92
  6. Step 6: Final answer
    x = 237,020.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.