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Finding the Fourth Proportional to 319,228.88, 478,850.60 and 94,585.10

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Solution

The fourth proportional to 319,228.88, 478,850.60 and 94,585.10 is: 141,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,228.88 : 478,850.60 = 94,585.10 : x
  2. Step 2: Convert to fraction form
    319,228.88/478,850.60 = 94,585.10/x
  3. Step 3: Cross multiply
    319,228.88x = 478,850.60 × 94,585.10
  4. Step 4: Simplify right side
    319,228.88x = 45,292,131,886.06
  5. Step 5: Solve for x
    x = 45,292,131,886.06/319,228.88
  6. Step 6: Final answer
    x = 141,879.81

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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.