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Finding the Fourth Proportional to 598,823.80, 898,891.80 and 374,437.60

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Solution

The fourth proportional to 598,823.80, 898,891.80 and 374,437.60 is: 562,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,823.80 : 898,891.80 = 374,437.60 : x
  2. Step 2: Convert to fraction form
    598,823.80/898,891.80 = 374,437.60/x
  3. Step 3: Cross multiply
    598,823.80x = 898,891.80 × 374,437.60
  4. Step 4: Simplify right side
    598,823.80x = 336,578,888,251.68
  5. Step 5: Solve for x
    x = 336,578,888,251.68/598,823.80
  6. Step 6: Final answer
    x = 562,066.65

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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.