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Finding the Fourth Proportional to 404,615.80, 606,267.60 and 254,587.60

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Solution

The fourth proportional to 404,615.80, 606,267.60 and 254,587.60 is: 381,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,615.80 : 606,267.60 = 254,587.60 : x
  2. Step 2: Convert to fraction form
    404,615.80/606,267.60 = 254,587.60/x
  3. Step 3: Cross multiply
    404,615.80x = 606,267.60 × 254,587.60
  4. Step 4: Simplify right side
    404,615.80x = 154,348,213,241.76
  5. Step 5: Solve for x
    x = 154,348,213,241.76/404,615.80
  6. Step 6: Final answer
    x = 381,468.58

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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.