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Finding the Fourth Proportional to 412,717.95, 576,624.15 and 412,717.95

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Solution

The fourth proportional to 412,717.95, 576,624.15 and 412,717.95 is: 576,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,717.95 : 576,624.15 = 412,717.95 : x
  2. Step 2: Convert to fraction form
    412,717.95/576,624.15 = 412,717.95/x
  3. Step 3: Cross multiply
    412,717.95x = 576,624.15 × 412,717.95
  4. Step 4: Simplify right side
    412,717.95x = 237,983,137,108.49
  5. Step 5: Solve for x
    x = 237,983,137,108.49/412,717.95
  6. Step 6: Final answer
    x = 576,624.15

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Why These Related Problems?

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