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Finding the Fourth Proportional to 446,834.40, 670,251.60 and 402,597.60

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Solution

The fourth proportional to 446,834.40, 670,251.60 and 402,597.60 is: 603,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,834.40 : 670,251.60 = 402,597.60 : x
  2. Step 2: Convert to fraction form
    446,834.40/670,251.60 = 402,597.60/x
  3. Step 3: Cross multiply
    446,834.40x = 670,251.60 × 402,597.60
  4. Step 4: Simplify right side
    446,834.40x = 269,841,685,556.16
  5. Step 5: Solve for x
    x = 269,841,685,556.16/446,834.40
  6. Step 6: Final answer
    x = 603,896.40

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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.