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Finding the Fourth Proportional to 353,625.04, 488,065.80 and 226,296.28

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Solution

The fourth proportional to 353,625.04, 488,065.80 and 226,296.28 is: 312,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,625.04 : 488,065.80 = 226,296.28 : x
  2. Step 2: Convert to fraction form
    353,625.04/488,065.80 = 226,296.28/x
  3. Step 3: Cross multiply
    353,625.04x = 488,065.80 × 226,296.28
  4. Step 4: Simplify right side
    353,625.04x = 110,447,474,935.22
  5. Step 5: Solve for x
    x = 110,447,474,935.22/353,625.04
  6. Step 6: Final answer
    x = 312,329.34

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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.