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Finding the Fourth Proportional to 404,898.40, 607,894.80 and 236,591.20

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Solution

The fourth proportional to 404,898.40, 607,894.80 and 236,591.20 is: 355,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,898.40 : 607,894.80 = 236,591.20 : x
  2. Step 2: Convert to fraction form
    404,898.40/607,894.80 = 236,591.20/x
  3. Step 3: Cross multiply
    404,898.40x = 607,894.80 × 236,591.20
  4. Step 4: Simplify right side
    404,898.40x = 143,822,560,205.76
  5. Step 5: Solve for x
    x = 143,822,560,205.76/404,898.40
  6. Step 6: Final answer
    x = 355,206.54

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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.