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Finding the Fourth Proportional to 549,085.04, 823,769.52 and 321,572.96

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Solution

The fourth proportional to 549,085.04, 823,769.52 and 321,572.96 is: 482,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,085.04 : 823,769.52 = 321,572.96 : x
  2. Step 2: Convert to fraction form
    549,085.04/823,769.52 = 321,572.96/x
  3. Step 3: Cross multiply
    549,085.04x = 823,769.52 × 321,572.96
  4. Step 4: Simplify right side
    549,085.04x = 264,902,002,904.18
  5. Step 5: Solve for x
    x = 264,902,002,904.18/549,085.04
  6. Step 6: Final answer
    x = 482,442.58

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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.