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Finding the Fourth Proportional to 675,659.97, 932,433.36 and 369,729.81

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Solution

The fourth proportional to 675,659.97, 932,433.36 and 369,729.81 is: 510,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,659.97 : 932,433.36 = 369,729.81 : x
  2. Step 2: Convert to fraction form
    675,659.97/932,433.36 = 369,729.81/x
  3. Step 3: Cross multiply
    675,659.97x = 932,433.36 × 369,729.81
  4. Step 4: Simplify right side
    675,659.97x = 344,748,409,030.46
  5. Step 5: Solve for x
    x = 344,748,409,030.46/675,659.97
  6. Step 6: Final answer
    x = 510,239.51

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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.