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Finding the Fourth Proportional to 570,067.46, 786,350.33 and 376,476.95

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Solution

The fourth proportional to 570,067.46, 786,350.33 and 376,476.95 is: 519,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,067.46 : 786,350.33 = 376,476.95 : x
  2. Step 2: Convert to fraction form
    570,067.46/786,350.33 = 376,476.95/x
  3. Step 3: Cross multiply
    570,067.46x = 786,350.33 × 376,476.95
  4. Step 4: Simplify right side
    570,067.46x = 296,042,775,365.17
  5. Step 5: Solve for x
    x = 296,042,775,365.17/570,067.46
  6. Step 6: Final answer
    x = 519,311.83

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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.