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Finding the Fourth Proportional to 601,458.71, 830,012.99 and 329,536.91

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Solution

The fourth proportional to 601,458.71, 830,012.99 and 329,536.91 is: 454,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,458.71 : 830,012.99 = 329,536.91 : x
  2. Step 2: Convert to fraction form
    601,458.71/830,012.99 = 329,536.91/x
  3. Step 3: Cross multiply
    601,458.71x = 830,012.99 × 329,536.91
  4. Step 4: Simplify right side
    601,458.71x = 273,519,912,658.24
  5. Step 5: Solve for x
    x = 273,519,912,658.24/601,458.71
  6. Step 6: Final answer
    x = 454,760.92

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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.