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Finding the Fourth Proportional to 374,569.41, 563,072.05 and 300,499.77

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Solution

The fourth proportional to 374,569.41, 563,072.05 and 300,499.77 is: 451,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,569.41 : 563,072.05 = 300,499.77 : x
  2. Step 2: Convert to fraction form
    374,569.41/563,072.05 = 300,499.77/x
  3. Step 3: Cross multiply
    374,569.41x = 563,072.05 × 300,499.77
  4. Step 4: Simplify right side
    374,569.41x = 169,203,021,518.43
  5. Step 5: Solve for x
    x = 169,203,021,518.43/374,569.41
  6. Step 6: Final answer
    x = 451,726.75

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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.