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Finding the Fourth Proportional to 374,569.91, 563,072.80 and 300,500.27

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Solution

The fourth proportional to 374,569.91, 563,072.80 and 300,500.27 is: 451,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,569.91 : 563,072.80 = 300,500.27 : x
  2. Step 2: Convert to fraction form
    374,569.91/563,072.80 = 300,500.27/x
  3. Step 3: Cross multiply
    374,569.91x = 563,072.80 × 300,500.27
  4. Step 4: Simplify right side
    374,569.91x = 169,203,528,429.66
  5. Step 5: Solve for x
    x = 169,203,528,429.66/374,569.91
  6. Step 6: Final answer
    x = 451,727.50

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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.