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Finding the Fourth Proportional to 365,741.40, 548,612.10 and 179,117.40

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Solution

The fourth proportional to 365,741.40, 548,612.10 and 179,117.40 is: 268,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,741.40 : 548,612.10 = 179,117.40 : x
  2. Step 2: Convert to fraction form
    365,741.40/548,612.10 = 179,117.40/x
  3. Step 3: Cross multiply
    365,741.40x = 548,612.10 × 179,117.40
  4. Step 4: Simplify right side
    365,741.40x = 98,265,972,960.54
  5. Step 5: Solve for x
    x = 98,265,972,960.54/365,741.40
  6. Step 6: Final answer
    x = 268,676.10

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1.5x scale

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.