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Finding the Fourth Proportional to 247,453.98, 341,494.06 and 145,460.74

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Solution

The fourth proportional to 247,453.98, 341,494.06 and 145,460.74 is: 200,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,453.98 : 341,494.06 = 145,460.74 : x
  2. Step 2: Convert to fraction form
    247,453.98/341,494.06 = 145,460.74/x
  3. Step 3: Cross multiply
    247,453.98x = 341,494.06 × 145,460.74
  4. Step 4: Simplify right side
    247,453.98x = 49,673,978,673.20
  5. Step 5: Solve for x
    x = 49,673,978,673.20/247,453.98
  6. Step 6: Final answer
    x = 200,740.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.