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Finding the Fourth Proportional to 488,530.33, 731,712.77 and 375,377.65

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Solution

The fourth proportional to 488,530.33, 731,712.77 and 375,377.65 is: 562,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,530.33 : 731,712.77 = 375,377.65 : x
  2. Step 2: Convert to fraction form
    488,530.33/731,712.77 = 375,377.65/x
  3. Step 3: Cross multiply
    488,530.33x = 731,712.77 × 375,377.65
  4. Step 4: Simplify right side
    488,530.33x = 274,668,620,077.59
  5. Step 5: Solve for x
    x = 274,668,620,077.59/488,530.33
  6. Step 6: Final answer
    x = 562,234.53

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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.