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Finding the Fourth Proportional to 552,520.63, 828,698.83 and 153,119.76

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Solution

The fourth proportional to 552,520.63, 828,698.83 and 153,119.76 is: 229,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,520.63 : 828,698.83 = 153,119.76 : x
  2. Step 2: Convert to fraction form
    552,520.63/828,698.83 = 153,119.76/x
  3. Step 3: Cross multiply
    552,520.63x = 828,698.83 × 153,119.76
  4. Step 4: Simplify right side
    552,520.63x = 126,890,165,961.88
  5. Step 5: Solve for x
    x = 126,890,165,961.88/552,520.63
  6. Step 6: Final answer
    x = 229,656.88

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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.