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Finding the Fourth Proportional to 328,368.26, 452,867.90 and 226,556.12

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Solution

The fourth proportional to 328,368.26, 452,867.90 and 226,556.12 is: 312,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,368.26 : 452,867.90 = 226,556.12 : x
  2. Step 2: Convert to fraction form
    328,368.26/452,867.90 = 226,556.12/x
  3. Step 3: Cross multiply
    328,368.26x = 452,867.90 × 226,556.12
  4. Step 4: Simplify right side
    328,368.26x = 102,599,994,296.55
  5. Step 5: Solve for x
    x = 102,599,994,296.55/328,368.26
  6. Step 6: Final answer
    x = 312,454.05

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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.