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Finding the Fourth Proportional to 617,737.12, 927,204.89 and 298,113.93

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Solution

The fourth proportional to 617,737.12, 927,204.89 and 298,113.93 is: 447,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,737.12 : 927,204.89 = 298,113.93 : x
  2. Step 2: Convert to fraction form
    617,737.12/927,204.89 = 298,113.93/x
  3. Step 3: Cross multiply
    617,737.12x = 927,204.89 × 298,113.93
  4. Step 4: Simplify right side
    617,737.12x = 276,412,693,673.12
  5. Step 5: Solve for x
    x = 276,412,693,673.12/617,737.12
  6. Step 6: Final answer
    x = 447,460.07

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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.