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Finding the Fourth Proportional to 404,624.80, 606,937.20 and 262,907.20

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Solution

The fourth proportional to 404,624.80, 606,937.20 and 262,907.20 is: 394,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,624.80 : 606,937.20 = 262,907.20 : x
  2. Step 2: Convert to fraction form
    404,624.80/606,937.20 = 262,907.20/x
  3. Step 3: Cross multiply
    404,624.80x = 606,937.20 × 262,907.20
  4. Step 4: Simplify right side
    404,624.80x = 159,568,159,827.84
  5. Step 5: Solve for x
    x = 159,568,159,827.84/404,624.80
  6. Step 6: Final answer
    x = 394,360.80

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1.5x scale

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.