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Finding the Fourth Proportional to 723,737.45, 998,738.40 and 417,803.48

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Solution

The fourth proportional to 723,737.45, 998,738.40 and 417,803.48 is: 576,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,737.45 : 998,738.40 = 417,803.48 : x
  2. Step 2: Convert to fraction form
    723,737.45/998,738.40 = 417,803.48/x
  3. Step 3: Cross multiply
    723,737.45x = 998,738.40 × 417,803.48
  4. Step 4: Simplify right side
    723,737.45x = 417,276,385,065.88
  5. Step 5: Solve for x
    x = 417,276,385,065.88/723,737.45
  6. Step 6: Final answer
    x = 576,557.68

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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.