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Finding the Fourth Proportional to 475,233.40, 711,537.90 and 370,257.40

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Solution

The fourth proportional to 475,233.40, 711,537.90 and 370,257.40 is: 554,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,233.40 : 711,537.90 = 370,257.40 : x
  2. Step 2: Convert to fraction form
    475,233.40/711,537.90 = 370,257.40/x
  3. Step 3: Cross multiply
    475,233.40x = 711,537.90 × 370,257.40
  4. Step 4: Simplify right side
    475,233.40x = 263,452,172,855.46
  5. Step 5: Solve for x
    x = 263,452,172,855.46/475,233.40
  6. Step 6: Final answer
    x = 554,363.76

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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.