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Finding the Fourth Proportional to 319,522.02, 479,200.77 and 94,829.28

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Solution

The fourth proportional to 319,522.02, 479,200.77 and 94,829.28 is: 142,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,522.02 : 479,200.77 = 94,829.28 : x
  2. Step 2: Convert to fraction form
    319,522.02/479,200.77 = 94,829.28/x
  3. Step 3: Cross multiply
    319,522.02x = 479,200.77 × 94,829.28
  4. Step 4: Simplify right side
    319,522.02x = 45,442,263,994.55
  5. Step 5: Solve for x
    x = 45,442,263,994.55/319,522.02
  6. Step 6: Final answer
    x = 142,219.51

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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.