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Finding the Fourth Proportional to 597,689.80, 824,811.78 and 329,417.80

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Solution

The fourth proportional to 597,689.80, 824,811.78 and 329,417.80 is: 454,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,689.80 : 824,811.78 = 329,417.80 : x
  2. Step 2: Convert to fraction form
    597,689.80/824,811.78 = 329,417.80/x
  3. Step 3: Cross multiply
    597,689.80x = 824,811.78 × 329,417.80
  4. Step 4: Simplify right side
    597,689.80x = 271,707,681,981.68
  5. Step 5: Solve for x
    x = 271,707,681,981.68/597,689.80
  6. Step 6: Final answer
    x = 454,596.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.