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Finding the Fourth Proportional to 341,734.20, 512,598.60 and 89,014.20

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Solution

The fourth proportional to 341,734.20, 512,598.60 and 89,014.20 is: 133,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,734.20 : 512,598.60 = 89,014.20 : x
  2. Step 2: Convert to fraction form
    341,734.20/512,598.60 = 89,014.20/x
  3. Step 3: Cross multiply
    341,734.20x = 512,598.60 × 89,014.20
  4. Step 4: Simplify right side
    341,734.20x = 45,628,554,300.12
  5. Step 5: Solve for x
    x = 45,628,554,300.12/341,734.20
  6. Step 6: Final answer
    x = 133,520.60

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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.