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Finding the Fourth Proportional to 347,319.90, 520,989 and 94,602.54

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Solution

The fourth proportional to 347,319.90, 520,989 and 94,602.54 is: 141,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,319.90 : 520,989 = 94,602.54 : x
  2. Step 2: Convert to fraction form
    347,319.90/520,989 = 94,602.54/x
  3. Step 3: Cross multiply
    347,319.90x = 520,989 × 94,602.54
  4. Step 4: Simplify right side
    347,319.90x = 49,286,882,712.06
  5. Step 5: Solve for x
    x = 49,286,882,712.06/347,319.90
  6. Step 6: Final answer
    x = 141,906.30

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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.