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Finding the Fourth Proportional to 675,661.22, 932,412.56 and 369,737.66

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Solution

The fourth proportional to 675,661.22, 932,412.56 and 369,737.66 is: 510,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,661.22 : 932,412.56 = 369,737.66 : x
  2. Step 2: Convert to fraction form
    675,661.22/932,412.56 = 369,737.66/x
  3. Step 3: Cross multiply
    675,661.22x = 932,412.56 × 369,737.66
  4. Step 4: Simplify right side
    675,661.22x = 344,748,041,344.39
  5. Step 5: Solve for x
    x = 344,748,041,344.39/675,661.22
  6. Step 6: Final answer
    x = 510,238.02

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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.