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Finding the Fourth Proportional to 488,889.60, 675,593.02 and 367,820.52

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Solution

The fourth proportional to 488,889.60, 675,593.02 and 367,820.52 is: 508,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,889.60 : 675,593.02 = 367,820.52 : x
  2. Step 2: Convert to fraction form
    488,889.60/675,593.02 = 367,820.52/x
  3. Step 3: Cross multiply
    488,889.60x = 675,593.02 × 367,820.52
  4. Step 4: Simplify right side
    488,889.60x = 248,496,975,924.77
  5. Step 5: Solve for x
    x = 248,496,975,924.77/488,889.60
  6. Step 6: Final answer
    x = 508,288.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.