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Finding the Fourth Proportional to 898,634.80, 1,346,202.60 and 498,559.60

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Solution

The fourth proportional to 898,634.80, 1,346,202.60 and 498,559.60 is: 746,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,634.80 : 1,346,202.60 = 498,559.60 : x
  2. Step 2: Convert to fraction form
    898,634.80/1,346,202.60 = 498,559.60/x
  3. Step 3: Cross multiply
    898,634.80x = 1,346,202.60 × 498,559.60
  4. Step 4: Simplify right side
    898,634.80x = 671,162,229,774.96
  5. Step 5: Solve for x
    x = 671,162,229,774.96/898,634.80
  6. Step 6: Final answer
    x = 746,868.73

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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.