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Finding the Fourth Proportional to 549,655.62, 824,350.82 and 229,634.61

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Solution

The fourth proportional to 549,655.62, 824,350.82 and 229,634.61 is: 344,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,655.62 : 824,350.82 = 229,634.61 : x
  2. Step 2: Convert to fraction form
    549,655.62/824,350.82 = 229,634.61/x
  3. Step 3: Cross multiply
    549,655.62x = 824,350.82 × 229,634.61
  4. Step 4: Simplify right side
    549,655.62x = 189,299,477,905.71
  5. Step 5: Solve for x
    x = 189,299,477,905.71/549,655.62
  6. Step 6: Final answer
    x = 344,396.51

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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.