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Finding the Fourth Proportional to 403,818.76, 605,058.52 and 245,568.52

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Solution

The fourth proportional to 403,818.76, 605,058.52 and 245,568.52 is: 367,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,818.76 : 605,058.52 = 245,568.52 : x
  2. Step 2: Convert to fraction form
    403,818.76/605,058.52 = 245,568.52/x
  3. Step 3: Cross multiply
    403,818.76x = 605,058.52 × 245,568.52
  4. Step 4: Simplify right side
    403,818.76x = 148,583,325,269.79
  5. Step 5: Solve for x
    x = 148,583,325,269.79/403,818.76
  6. Step 6: Final answer
    x = 367,945.57

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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.