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Finding the Fourth Proportional to 555,716.70, 833,575.05 and 200,742.30

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Solution

The fourth proportional to 555,716.70, 833,575.05 and 200,742.30 is: 301,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,716.70 : 833,575.05 = 200,742.30 : x
  2. Step 2: Convert to fraction form
    555,716.70/833,575.05 = 200,742.30/x
  3. Step 3: Cross multiply
    555,716.70x = 833,575.05 × 200,742.30
  4. Step 4: Simplify right side
    555,716.70x = 167,333,772,759.62
  5. Step 5: Solve for x
    x = 167,333,772,759.62/555,716.70
  6. Step 6: Final answer
    x = 301,113.45

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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.