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Finding the Fourth Proportional to 594,658.80, 820,629.56 and 322,726.63

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Solution

The fourth proportional to 594,658.80, 820,629.56 and 322,726.63 is: 445,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,658.80 : 820,629.56 = 322,726.63 : x
  2. Step 2: Convert to fraction form
    594,658.80/820,629.56 = 322,726.63/x
  3. Step 3: Cross multiply
    594,658.80x = 820,629.56 × 322,726.63
  4. Step 4: Simplify right side
    594,658.80x = 264,839,011,132.43
  5. Step 5: Solve for x
    x = 264,839,011,132.43/594,658.80
  6. Step 6: Final answer
    x = 445,362.97

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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.