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Finding the Fourth Proportional to 675,908.52, 932,739.66 and 369,977.40

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Solution

The fourth proportional to 675,908.52, 932,739.66 and 369,977.40 is: 510,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,908.52 : 932,739.66 = 369,977.40 : x
  2. Step 2: Convert to fraction form
    675,908.52/932,739.66 = 369,977.40/x
  3. Step 3: Cross multiply
    675,908.52x = 932,739.66 × 369,977.40
  4. Step 4: Simplify right side
    675,908.52x = 345,092,594,283.68
  5. Step 5: Solve for x
    x = 345,092,594,283.68/675,908.52
  6. Step 6: Final answer
    x = 510,561.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.