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Finding the Fourth Proportional to 341,527.20, 512,436.60 and 163,942.80

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Solution

The fourth proportional to 341,527.20, 512,436.60 and 163,942.80 is: 245,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,527.20 : 512,436.60 = 163,942.80 : x
  2. Step 2: Convert to fraction form
    341,527.20/512,436.60 = 163,942.80/x
  3. Step 3: Cross multiply
    341,527.20x = 512,436.60 × 163,942.80
  4. Step 4: Simplify right side
    341,527.20x = 84,010,291,026.48
  5. Step 5: Solve for x
    x = 84,010,291,026.48/341,527.20
  6. Step 6: Final answer
    x = 245,984.19

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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.