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Finding the Fourth Proportional to 601,460.36, 830,015.28 and 329,538.56

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Solution

The fourth proportional to 601,460.36, 830,015.28 and 329,538.56 is: 454,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,460.36 : 830,015.28 = 329,538.56 : x
  2. Step 2: Convert to fraction form
    601,460.36/830,015.28 = 329,538.56/x
  3. Step 3: Cross multiply
    601,460.36x = 830,015.28 × 329,538.56
  4. Step 4: Simplify right side
    601,460.36x = 273,522,040,149.20
  5. Step 5: Solve for x
    x = 273,522,040,149.20/601,460.36
  6. Step 6: Final answer
    x = 454,763.20

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1.5x scale

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.