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Finding the Fourth Proportional to 536,054.88, 804,082.32 and 417,815.40

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Solution

The fourth proportional to 536,054.88, 804,082.32 and 417,815.40 is: 626,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,054.88 : 804,082.32 = 417,815.40 : x
  2. Step 2: Convert to fraction form
    536,054.88/804,082.32 = 417,815.40/x
  3. Step 3: Cross multiply
    536,054.88x = 804,082.32 × 417,815.40
  4. Step 4: Simplify right side
    536,054.88x = 335,957,976,163.73
  5. Step 5: Solve for x
    x = 335,957,976,163.73/536,054.88
  6. Step 6: Final answer
    x = 626,723.10

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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.