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Finding the Fourth Proportional to 347,289.84, 520,955 and 134,058.84

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Solution

The fourth proportional to 347,289.84, 520,955 and 134,058.84 is: 201,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,289.84 : 520,955 = 134,058.84 : x
  2. Step 2: Convert to fraction form
    347,289.84/520,955 = 134,058.84/x
  3. Step 3: Cross multiply
    347,289.84x = 520,955 × 134,058.84
  4. Step 4: Simplify right side
    347,289.84x = 69,838,622,992.20
  5. Step 5: Solve for x
    x = 69,838,622,992.20/347,289.84
  6. Step 6: Final answer
    x = 201,096.07

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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.