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Finding the Fourth Proportional to 675,894.80, 932,758.50 and 369,971.38

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Solution

The fourth proportional to 675,894.80, 932,758.50 and 369,971.38 is: 510,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,894.80 : 932,758.50 = 369,971.38 : x
  2. Step 2: Convert to fraction form
    675,894.80/932,758.50 = 369,971.38/x
  3. Step 3: Cross multiply
    675,894.80x = 932,758.50 × 369,971.38
  4. Step 4: Simplify right side
    675,894.80x = 345,093,949,451.73
  5. Step 5: Solve for x
    x = 345,093,949,451.73/675,894.80
  6. Step 6: Final answer
    x = 510,573.46

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1.5x scale

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.