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Finding the Fourth Proportional to 384,343.61, 576,866.93 and 194,934.71

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Solution

The fourth proportional to 384,343.61, 576,866.93 and 194,934.71 is: 292,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,343.61 : 576,866.93 = 194,934.71 : x
  2. Step 2: Convert to fraction form
    384,343.61/576,866.93 = 194,934.71/x
  3. Step 3: Cross multiply
    384,343.61x = 576,866.93 × 194,934.71
  4. Step 4: Simplify right side
    384,343.61x = 112,451,389,260.98
  5. Step 5: Solve for x
    x = 112,451,389,260.98/384,343.61
  6. Step 6: Final answer
    x = 292,580.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.