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Finding the Fourth Proportional to 552,085.57, 828,128.48 and 173,006.25

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Solution

The fourth proportional to 552,085.57, 828,128.48 and 173,006.25 is: 259,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,085.57 : 828,128.48 = 173,006.25 : x
  2. Step 2: Convert to fraction form
    552,085.57/828,128.48 = 173,006.25/x
  3. Step 3: Cross multiply
    552,085.57x = 828,128.48 × 173,006.25
  4. Step 4: Simplify right side
    552,085.57x = 143,271,398,872.49
  5. Step 5: Solve for x
    x = 143,271,398,872.49/552,085.57
  6. Step 6: Final answer
    x = 259,509.41

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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.