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Finding the Fourth Proportional to 333,258.72, 499,935.54 and 122,880.30

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Solution

The fourth proportional to 333,258.72, 499,935.54 and 122,880.30 is: 184,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,258.72 : 499,935.54 = 122,880.30 : x
  2. Step 2: Convert to fraction form
    333,258.72/499,935.54 = 122,880.30/x
  3. Step 3: Cross multiply
    333,258.72x = 499,935.54 × 122,880.30
  4. Step 4: Simplify right side
    333,258.72x = 61,432,229,135.86
  5. Step 5: Solve for x
    x = 61,432,229,135.86/333,258.72
  6. Step 6: Final answer
    x = 184,337.95

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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.