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Finding the Fourth Proportional to 599,443.64, 898,559.45 and 258,109.66

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Solution

The fourth proportional to 599,443.64, 898,559.45 and 258,109.66 is: 386,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,443.64 : 898,559.45 = 258,109.66 : x
  2. Step 2: Convert to fraction form
    599,443.64/898,559.45 = 258,109.66/x
  3. Step 3: Cross multiply
    599,443.64x = 898,559.45 × 258,109.66
  4. Step 4: Simplify right side
    599,443.64x = 231,926,874,129.29
  5. Step 5: Solve for x
    x = 231,926,874,129.29/599,443.64
  6. Step 6: Final answer
    x = 386,903.55

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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.