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Finding the Fourth Proportional to 552,019.76, 828,029.56 and 178,042.76

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Solution

The fourth proportional to 552,019.76, 828,029.56 and 178,042.76 is: 267,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,019.76 : 828,029.56 = 178,042.76 : x
  2. Step 2: Convert to fraction form
    552,019.76/828,029.56 = 178,042.76/x
  3. Step 3: Cross multiply
    552,019.76x = 828,029.56 × 178,042.76
  4. Step 4: Simplify right side
    552,019.76x = 147,424,668,223.99
  5. Step 5: Solve for x
    x = 147,424,668,223.99/552,019.76
  6. Step 6: Final answer
    x = 267,064.11

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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.