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Finding the Fourth Proportional to 574,036.08, 861,054.84 and 274,446.24

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Solution

The fourth proportional to 574,036.08, 861,054.84 and 274,446.24 is: 411,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,036.08 : 861,054.84 = 274,446.24 : x
  2. Step 2: Convert to fraction form
    574,036.08/861,054.84 = 274,446.24/x
  3. Step 3: Cross multiply
    574,036.08x = 861,054.84 × 274,446.24
  4. Step 4: Simplify right side
    574,036.08x = 236,313,263,271.80
  5. Step 5: Solve for x
    x = 236,313,263,271.80/574,036.08
  6. Step 6: Final answer
    x = 411,669.70

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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.