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Finding the Fourth Proportional to 488,026.90, 731,457.15 and 251,247.70

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Solution

The fourth proportional to 488,026.90, 731,457.15 and 251,247.70 is: 376,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,026.90 : 731,457.15 = 251,247.70 : x
  2. Step 2: Convert to fraction form
    488,026.90/731,457.15 = 251,247.70/x
  3. Step 3: Cross multiply
    488,026.90x = 731,457.15 × 251,247.70
  4. Step 4: Simplify right side
    488,026.90x = 183,776,926,586.06
  5. Step 5: Solve for x
    x = 183,776,926,586.06/488,026.90
  6. Step 6: Final answer
    x = 376,571.30

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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.