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Finding the Fourth Proportional to 223,250.40, 334,292.40 and 212,752.80

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Solution

The fourth proportional to 223,250.40, 334,292.40 and 212,752.80 is: 318,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,250.40 : 334,292.40 = 212,752.80 : x
  2. Step 2: Convert to fraction form
    223,250.40/334,292.40 = 212,752.80/x
  3. Step 3: Cross multiply
    223,250.40x = 334,292.40 × 212,752.80
  4. Step 4: Simplify right side
    223,250.40x = 71,121,644,118.72
  5. Step 5: Solve for x
    x = 71,121,644,118.72/223,250.40
  6. Step 6: Final answer
    x = 318,573.42

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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.