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Finding the Fourth Proportional to 498,834.40, 748,251.60 and 341,370.40

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Solution

The fourth proportional to 498,834.40, 748,251.60 and 341,370.40 is: 512,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,834.40 : 748,251.60 = 341,370.40 : x
  2. Step 2: Convert to fraction form
    498,834.40/748,251.60 = 341,370.40/x
  3. Step 3: Cross multiply
    498,834.40x = 748,251.60 × 341,370.40
  4. Step 4: Simplify right side
    498,834.40x = 255,430,947,992.64
  5. Step 5: Solve for x
    x = 255,430,947,992.64/498,834.40
  6. Step 6: Final answer
    x = 512,055.60

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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.