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Finding the Fourth Proportional to 552,639.16, 828,958.68 and 153,279.94

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Solution

The fourth proportional to 552,639.16, 828,958.68 and 153,279.94 is: 229,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,639.16 : 828,958.68 = 153,279.94 : x
  2. Step 2: Convert to fraction form
    552,639.16/828,958.68 = 153,279.94/x
  3. Step 3: Cross multiply
    552,639.16x = 828,958.68 × 153,279.94
  4. Step 4: Simplify right side
    552,639.16x = 127,062,736,732.88
  5. Step 5: Solve for x
    x = 127,062,736,732.88/552,639.16
  6. Step 6: Final answer
    x = 229,919.89

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Similar ratio
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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.