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Finding the Fourth Proportional to 384,341.48, 576,866.64 and 194,934.80

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Solution

The fourth proportional to 384,341.48, 576,866.64 and 194,934.80 is: 292,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,341.48 : 576,866.64 = 194,934.80 : x
  2. Step 2: Convert to fraction form
    384,341.48/576,866.64 = 194,934.80/x
  3. Step 3: Cross multiply
    384,341.48x = 576,866.64 × 194,934.80
  4. Step 4: Simplify right side
    384,341.48x = 112,451,383,095.07
  5. Step 5: Solve for x
    x = 112,451,383,095.07/384,341.48
  6. Step 6: Final answer
    x = 292,581.96

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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.