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Finding the Fourth Proportional to 534,851.11, 800,468.31 and 520,458.01

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Solution

The fourth proportional to 534,851.11, 800,468.31 and 520,458.01 is: 778,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,851.11 : 800,468.31 = 520,458.01 : x
  2. Step 2: Convert to fraction form
    534,851.11/800,468.31 = 520,458.01/x
  3. Step 3: Cross multiply
    534,851.11x = 800,468.31 × 520,458.01
  4. Step 4: Simplify right side
    534,851.11x = 416,610,143,690.66
  5. Step 5: Solve for x
    x = 416,610,143,690.66/534,851.11
  6. Step 6: Final answer
    x = 778,927.32

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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.