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Finding the Fourth Proportional to 358,601.40, 537,902.10 and 300,864.60

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Solution

The fourth proportional to 358,601.40, 537,902.10 and 300,864.60 is: 451,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,601.40 : 537,902.10 = 300,864.60 : x
  2. Step 2: Convert to fraction form
    358,601.40/537,902.10 = 300,864.60/x
  3. Step 3: Cross multiply
    358,601.40x = 537,902.10 × 300,864.60
  4. Step 4: Simplify right side
    358,601.40x = 161,835,700,155.66
  5. Step 5: Solve for x
    x = 161,835,700,155.66/358,601.40
  6. Step 6: Final answer
    x = 451,296.90

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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.