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Finding the Fourth Proportional to 552,004.40, 828,006.60 and 178,065.20

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Solution

The fourth proportional to 552,004.40, 828,006.60 and 178,065.20 is: 267,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,004.40 : 828,006.60 = 178,065.20 : x
  2. Step 2: Convert to fraction form
    552,004.40/828,006.60 = 178,065.20/x
  3. Step 3: Cross multiply
    552,004.40x = 828,006.60 × 178,065.20
  4. Step 4: Simplify right side
    552,004.40x = 147,439,160,830.32
  5. Step 5: Solve for x
    x = 147,439,160,830.32/552,004.40
  6. Step 6: Final answer
    x = 267,097.80

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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.