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Finding the Fourth Proportional to 601,554.89, 830,145.92 and 329,620.56

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Solution

The fourth proportional to 601,554.89, 830,145.92 and 329,620.56 is: 454,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,554.89 : 830,145.92 = 329,620.56 : x
  2. Step 2: Convert to fraction form
    601,554.89/830,145.92 = 329,620.56/x
  3. Step 3: Cross multiply
    601,554.89x = 830,145.92 × 329,620.56
  4. Step 4: Simplify right side
    601,554.89x = 273,633,161,384.01
  5. Step 5: Solve for x
    x = 273,633,161,384.01/601,554.89
  6. Step 6: Final answer
    x = 454,876.47

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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.