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Finding the Fourth Proportional to 498,210.60, 746,805.60 and 245,101.80

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Solution

The fourth proportional to 498,210.60, 746,805.60 and 245,101.80 is: 367,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,210.60 : 746,805.60 = 245,101.80 : x
  2. Step 2: Convert to fraction form
    498,210.60/746,805.60 = 245,101.80/x
  3. Step 3: Cross multiply
    498,210.60x = 746,805.60 × 245,101.80
  4. Step 4: Simplify right side
    498,210.60x = 183,043,396,810.08
  5. Step 5: Solve for x
    x = 183,043,396,810.08/498,210.60
  6. Step 6: Final answer
    x = 367,401.65

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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.