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Finding the Fourth Proportional to 675,950.61, 932,920.48 and 385,656.87

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Solution

The fourth proportional to 675,950.61, 932,920.48 and 385,656.87 is: 532,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,950.61 : 932,920.48 = 385,656.87 : x
  2. Step 2: Convert to fraction form
    675,950.61/932,920.48 = 385,656.87/x
  3. Step 3: Cross multiply
    675,950.61x = 932,920.48 × 385,656.87
  4. Step 4: Simplify right side
    675,950.61x = 359,787,191,311.56
  5. Step 5: Solve for x
    x = 359,787,191,311.56/675,950.61
  6. Step 6: Final answer
    x = 532,268.46

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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.