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Finding the Fourth Proportional to 437,866.79, 604,274.10 and 276,663.02

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Solution

The fourth proportional to 437,866.79, 604,274.10 and 276,663.02 is: 381,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,866.79 : 604,274.10 = 276,663.02 : x
  2. Step 2: Convert to fraction form
    437,866.79/604,274.10 = 276,663.02/x
  3. Step 3: Cross multiply
    437,866.79x = 604,274.10 × 276,663.02
  4. Step 4: Simplify right side
    437,866.79x = 167,180,294,392.41
  5. Step 5: Solve for x
    x = 167,180,294,392.41/437,866.79
  6. Step 6: Final answer
    x = 381,806.29

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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.