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Finding the Fourth Proportional to 223,278.20, 334,911.90 and 134,464.40

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Solution

The fourth proportional to 223,278.20, 334,911.90 and 134,464.40 is: 201,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,278.20 : 334,911.90 = 134,464.40 : x
  2. Step 2: Convert to fraction form
    223,278.20/334,911.90 = 134,464.40/x
  3. Step 3: Cross multiply
    223,278.20x = 334,911.90 × 134,464.40
  4. Step 4: Simplify right side
    223,278.20x = 45,033,727,686.36
  5. Step 5: Solve for x
    x = 45,033,727,686.36/223,278.20
  6. Step 6: Final answer
    x = 201,693.35

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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.