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Finding the Fourth Proportional to 474,089.76, 654,190.29 and 280,503.41

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Solution

The fourth proportional to 474,089.76, 654,190.29 and 280,503.41 is: 387,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,089.76 : 654,190.29 = 280,503.41 : x
  2. Step 2: Convert to fraction form
    474,089.76/654,190.29 = 280,503.41/x
  3. Step 3: Cross multiply
    474,089.76x = 654,190.29 × 280,503.41
  4. Step 4: Simplify right side
    474,089.76x = 183,502,603,862.94
  5. Step 5: Solve for x
    x = 183,502,603,862.94/474,089.76
  6. Step 6: Final answer
    x = 387,063.00

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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.