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Finding the Fourth Proportional to 319,208.37, 478,882.61 and 94,586.38

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Solution

The fourth proportional to 319,208.37, 478,882.61 and 94,586.38 is: 141,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,208.37 : 478,882.61 = 94,586.38 : x
  2. Step 2: Convert to fraction form
    319,208.37/478,882.61 = 94,586.38/x
  3. Step 3: Cross multiply
    319,208.37x = 478,882.61 × 94,586.38
  4. Step 4: Simplify right side
    319,208.37x = 45,295,773,637.10
  5. Step 5: Solve for x
    x = 45,295,773,637.10/319,208.37
  6. Step 6: Final answer
    x = 141,900.33

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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.