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Finding the Fourth Proportional to 417,812.74, 576,583.94 and 245,737.96

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Solution

The fourth proportional to 417,812.74, 576,583.94 and 245,737.96 is: 339,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,812.74 : 576,583.94 = 245,737.96 : x
  2. Step 2: Convert to fraction form
    417,812.74/576,583.94 = 245,737.96/x
  3. Step 3: Cross multiply
    417,812.74x = 576,583.94 × 245,737.96
  4. Step 4: Simplify right side
    417,812.74x = 141,688,561,184.36
  5. Step 5: Solve for x
    x = 141,688,561,184.36/417,812.74
  6. Step 6: Final answer
    x = 339,119.77

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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.