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Finding the Fourth Proportional to 427,616.55, 590,070.75 and 255,500.24

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Solution

The fourth proportional to 427,616.55, 590,070.75 and 255,500.24 is: 352,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,616.55 : 590,070.75 = 255,500.24 : x
  2. Step 2: Convert to fraction form
    427,616.55/590,070.75 = 255,500.24/x
  3. Step 3: Cross multiply
    427,616.55x = 590,070.75 × 255,500.24
  4. Step 4: Simplify right side
    427,616.55x = 150,763,215,291.63
  5. Step 5: Solve for x
    x = 150,763,215,291.63/427,616.55
  6. Step 6: Final answer
    x = 352,566.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.