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Finding the Fourth Proportional to 549,803.70, 824,446.75 and 213,002.06

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Solution

The fourth proportional to 549,803.70, 824,446.75 and 213,002.06 is: 319,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,803.70 : 824,446.75 = 213,002.06 : x
  2. Step 2: Convert to fraction form
    549,803.70/824,446.75 = 213,002.06/x
  3. Step 3: Cross multiply
    549,803.70x = 824,446.75 × 213,002.06
  4. Step 4: Simplify right side
    549,803.70x = 175,608,856,110.31
  5. Step 5: Solve for x
    x = 175,608,856,110.31/549,803.70
  6. Step 6: Final answer
    x = 319,402.83

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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.