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Finding the Fourth Proportional to 319,025.93, 478,373.34 and 94,356.83

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Solution

The fourth proportional to 319,025.93, 478,373.34 and 94,356.83 is: 141,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,025.93 : 478,373.34 = 94,356.83 : x
  2. Step 2: Convert to fraction form
    319,025.93/478,373.34 = 94,356.83/x
  3. Step 3: Cross multiply
    319,025.93x = 478,373.34 × 94,356.83
  4. Step 4: Simplify right side
    319,025.93x = 45,137,793,468.68
  5. Step 5: Solve for x
    x = 45,137,793,468.68/319,025.93
  6. Step 6: Final answer
    x = 141,486.29

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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.