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Finding the Fourth Proportional to 369,903.70, 516,684.20 and 369,903.70

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Solution

The fourth proportional to 369,903.70, 516,684.20 and 369,903.70 is: 516,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,903.70 : 516,684.20 = 369,903.70 : x
  2. Step 2: Convert to fraction form
    369,903.70/516,684.20 = 369,903.70/x
  3. Step 3: Cross multiply
    369,903.70x = 516,684.20 × 369,903.70
  4. Step 4: Simplify right side
    369,903.70x = 191,123,397,311.54
  5. Step 5: Solve for x
    x = 191,123,397,311.54/369,903.70
  6. Step 6: Final answer
    x = 516,684.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.