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Finding the Fourth Proportional to 292,646.88, 438,512.40 and 226,250.64

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Solution

The fourth proportional to 292,646.88, 438,512.40 and 226,250.64 is: 339,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,646.88 : 438,512.40 = 226,250.64 : x
  2. Step 2: Convert to fraction form
    292,646.88/438,512.40 = 226,250.64/x
  3. Step 3: Cross multiply
    292,646.88x = 438,512.40 × 226,250.64
  4. Step 4: Simplify right side
    292,646.88x = 99,213,711,147.94
  5. Step 5: Solve for x
    x = 99,213,711,147.94/292,646.88
  6. Step 6: Final answer
    x = 339,021.93

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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.