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Finding the Fourth Proportional to 675,274.07, 931,900.33 and 369,350.43

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Solution

The fourth proportional to 675,274.07, 931,900.33 and 369,350.43 is: 509,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,274.07 : 931,900.33 = 369,350.43 : x
  2. Step 2: Convert to fraction form
    675,274.07/931,900.33 = 369,350.43/x
  3. Step 3: Cross multiply
    675,274.07x = 931,900.33 × 369,350.43
  4. Step 4: Simplify right side
    675,274.07x = 344,197,788,526.02
  5. Step 5: Solve for x
    x = 344,197,788,526.02/675,274.07
  6. Step 6: Final answer
    x = 509,715.69

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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.