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Finding the Fourth Proportional to 471,322.08, 706,876.53 and 134,355.54

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Solution

The fourth proportional to 471,322.08, 706,876.53 and 134,355.54 is: 201,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,322.08 : 706,876.53 = 134,355.54 : x
  2. Step 2: Convert to fraction form
    471,322.08/706,876.53 = 134,355.54/x
  3. Step 3: Cross multiply
    471,322.08x = 706,876.53 × 134,355.54
  4. Step 4: Simplify right side
    471,322.08x = 94,972,777,901.48
  5. Step 5: Solve for x
    x = 94,972,777,901.48/471,322.08
  6. Step 6: Final answer
    x = 201,502.93

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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.