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Finding the Fourth Proportional to 340,809.44, 511,211.28 and 88,068.20

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Solution

The fourth proportional to 340,809.44, 511,211.28 and 88,068.20 is: 132,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,809.44 : 511,211.28 = 88,068.20 : x
  2. Step 2: Convert to fraction form
    340,809.44/511,211.28 = 88,068.20/x
  3. Step 3: Cross multiply
    340,809.44x = 511,211.28 × 88,068.20
  4. Step 4: Simplify right side
    340,809.44x = 45,021,457,249.30
  5. Step 5: Solve for x
    x = 45,021,457,249.30/340,809.44
  6. Step 6: Final answer
    x = 132,101.56

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1.5x scale

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.