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Finding the Fourth Proportional to 561,562.47, 842,035.23 and 276,626.07

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Solution

The fourth proportional to 561,562.47, 842,035.23 and 276,626.07 is: 414,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,562.47 : 842,035.23 = 276,626.07 : x
  2. Step 2: Convert to fraction form
    561,562.47/842,035.23 = 276,626.07/x
  3. Step 3: Cross multiply
    561,562.47x = 842,035.23 × 276,626.07
  4. Step 4: Simplify right side
    561,562.47x = 232,928,896,476.45
  5. Step 5: Solve for x
    x = 232,928,896,476.45/561,562.47
  6. Step 6: Final answer
    x = 414,787.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.