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Finding the Fourth Proportional to 319,008.35, 478,512.46 and 94,351.27

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Solution

The fourth proportional to 319,008.35, 478,512.46 and 94,351.27 is: 141,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,008.35 : 478,512.46 = 94,351.27 : x
  2. Step 2: Convert to fraction form
    319,008.35/478,512.46 = 94,351.27/x
  3. Step 3: Cross multiply
    319,008.35x = 478,512.46 × 94,351.27
  4. Step 4: Simplify right side
    319,008.35x = 45,148,258,311.82
  5. Step 5: Solve for x
    x = 45,148,258,311.82/319,008.35
  6. Step 6: Final answer
    x = 141,526.89

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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.