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Finding the Fourth Proportional to 282,265.25, 389,526.60 and 167,566.90

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Solution

The fourth proportional to 282,265.25, 389,526.60 and 167,566.90 is: 231,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,265.25 : 389,526.60 = 167,566.90 : x
  2. Step 2: Convert to fraction form
    282,265.25/389,526.60 = 167,566.90/x
  3. Step 3: Cross multiply
    282,265.25x = 389,526.60 × 167,566.90
  4. Step 4: Simplify right side
    282,265.25x = 65,271,763,855.72
  5. Step 5: Solve for x
    x = 65,271,763,855.72/282,265.25
  6. Step 6: Final answer
    x = 231,242.65

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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.