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Finding the Fourth Proportional to 347,236.49, 520,875.08 and 134,005.52

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Solution

The fourth proportional to 347,236.49, 520,875.08 and 134,005.52 is: 201,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,236.49 : 520,875.08 = 134,005.52 : x
  2. Step 2: Convert to fraction form
    347,236.49/520,875.08 = 134,005.52/x
  3. Step 3: Cross multiply
    347,236.49x = 520,875.08 × 134,005.52
  4. Step 4: Simplify right side
    347,236.49x = 69,800,137,085.12
  5. Step 5: Solve for x
    x = 69,800,137,085.12/347,236.49
  6. Step 6: Final answer
    x = 201,016.13

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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.