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Finding the Fourth Proportional to 675,636.62, 932,364.14 and 369,711.78

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Solution

The fourth proportional to 675,636.62, 932,364.14 and 369,711.78 is: 510,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,636.62 : 932,364.14 = 369,711.78 : x
  2. Step 2: Convert to fraction form
    675,636.62/932,364.14 = 369,711.78/x
  3. Step 3: Cross multiply
    675,636.62x = 932,364.14 × 369,711.78
  4. Step 4: Simplify right side
    675,636.62x = 344,706,005,807.57
  5. Step 5: Solve for x
    x = 344,706,005,807.57/675,636.62
  6. Step 6: Final answer
    x = 510,194.38

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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.