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Finding the Fourth Proportional to 552,007.80, 828,011.70 and 482,023.80

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Solution

The fourth proportional to 552,007.80, 828,011.70 and 482,023.80 is: 723,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,007.80 : 828,011.70 = 482,023.80 : x
  2. Step 2: Convert to fraction form
    552,007.80/828,011.70 = 482,023.80/x
  3. Step 3: Cross multiply
    552,007.80x = 828,011.70 × 482,023.80
  4. Step 4: Simplify right side
    552,007.80x = 399,121,346,078.46
  5. Step 5: Solve for x
    x = 399,121,346,078.46/552,007.80
  6. Step 6: Final answer
    x = 723,035.70

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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.