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Finding the Fourth Proportional to 549,429.43, 822,815.44 and 475,027.69

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Solution

The fourth proportional to 549,429.43, 822,815.44 and 475,027.69 is: 711,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,429.43 : 822,815.44 = 475,027.69 : x
  2. Step 2: Convert to fraction form
    549,429.43/822,815.44 = 475,027.69/x
  3. Step 3: Cross multiply
    549,429.43x = 822,815.44 × 475,027.69
  4. Step 4: Simplify right side
    549,429.43x = 390,860,117,759.53
  5. Step 5: Solve for x
    x = 390,860,117,759.53/549,429.43
  6. Step 6: Final answer
    x = 711,392.76

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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.