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Finding the Fourth Proportional to 490,765.35, 735,830.89 and 234,492.69

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Solution

The fourth proportional to 490,765.35, 735,830.89 and 234,492.69 is: 351,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,765.35 : 735,830.89 = 234,492.69 : x
  2. Step 2: Convert to fraction form
    490,765.35/735,830.89 = 234,492.69/x
  3. Step 3: Cross multiply
    490,765.35x = 735,830.89 × 234,492.69
  4. Step 4: Simplify right side
    490,765.35x = 172,546,964,781.19
  5. Step 5: Solve for x
    x = 172,546,964,781.19/490,765.35
  6. Step 6: Final answer
    x = 351,587.50

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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.