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Finding the Fourth Proportional to 223,329.30, 334,475.55 and 218,145.30

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Solution

The fourth proportional to 223,329.30, 334,475.55 and 218,145.30 is: 326,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,329.30 : 334,475.55 = 218,145.30 : x
  2. Step 2: Convert to fraction form
    223,329.30/334,475.55 = 218,145.30/x
  3. Step 3: Cross multiply
    223,329.30x = 334,475.55 × 218,145.30
  4. Step 4: Simplify right side
    223,329.30x = 72,964,269,197.42
  5. Step 5: Solve for x
    x = 72,964,269,197.42/223,329.30
  6. Step 6: Final answer
    x = 326,711.58

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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.