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Finding the Fourth Proportional to 601,453.11, 830,005.28 and 329,531.32

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Solution

The fourth proportional to 601,453.11, 830,005.28 and 329,531.32 is: 454,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,453.11 : 830,005.28 = 329,531.32 : x
  2. Step 2: Convert to fraction form
    601,453.11/830,005.28 = 329,531.32/x
  3. Step 3: Cross multiply
    601,453.11x = 830,005.28 × 329,531.32
  4. Step 4: Simplify right side
    601,453.11x = 273,512,736,150.96
  5. Step 5: Solve for x
    x = 273,512,736,150.96/601,453.11
  6. Step 6: Final answer
    x = 454,753.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.