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Finding the Fourth Proportional to 228,028.32, 314,676.76 and 127,426.32

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Solution

The fourth proportional to 228,028.32, 314,676.76 and 127,426.32 is: 175,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,028.32 : 314,676.76 = 127,426.32 : x
  2. Step 2: Convert to fraction form
    228,028.32/314,676.76 = 127,426.32/x
  3. Step 3: Cross multiply
    228,028.32x = 314,676.76 × 127,426.32
  4. Step 4: Simplify right side
    228,028.32x = 40,098,101,516.32
  5. Step 5: Solve for x
    x = 40,098,101,516.32/228,028.32
  6. Step 6: Final answer
    x = 175,847.02

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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.