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Finding the Fourth Proportional to 570,063.14, 786,344.40 and 376,472.62

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Solution

The fourth proportional to 570,063.14, 786,344.40 and 376,472.62 is: 519,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,063.14 : 786,344.40 = 376,472.62 : x
  2. Step 2: Convert to fraction form
    570,063.14/786,344.40 = 376,472.62/x
  3. Step 3: Cross multiply
    570,063.14x = 786,344.40 × 376,472.62
  4. Step 4: Simplify right side
    570,063.14x = 296,037,134,524.47
  5. Step 5: Solve for x
    x = 296,037,134,524.47/570,063.14
  6. Step 6: Final answer
    x = 519,305.87

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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.