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Finding the Fourth Proportional to 601,911.48, 830,632.54 and 329,974.44

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Solution

The fourth proportional to 601,911.48, 830,632.54 and 329,974.44 is: 455,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,911.48 : 830,632.54 = 329,974.44 : x
  2. Step 2: Convert to fraction form
    601,911.48/830,632.54 = 329,974.44/x
  3. Step 3: Cross multiply
    601,911.48x = 830,632.54 × 329,974.44
  4. Step 4: Simplify right side
    601,911.48x = 274,087,507,232.28
  5. Step 5: Solve for x
    x = 274,087,507,232.28/601,911.48
  6. Step 6: Final answer
    x = 455,361.82

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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.