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Finding the Fourth Proportional to 433,738.80, 650,089.80 and 223,268.40

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Solution

The fourth proportional to 433,738.80, 650,089.80 and 223,268.40 is: 334,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,738.80 : 650,089.80 = 223,268.40 : x
  2. Step 2: Convert to fraction form
    433,738.80/650,089.80 = 223,268.40/x
  3. Step 3: Cross multiply
    433,738.80x = 650,089.80 × 223,268.40
  4. Step 4: Simplify right side
    433,738.80x = 145,144,509,502.32
  5. Step 5: Solve for x
    x = 145,144,509,502.32/433,738.80
  6. Step 6: Final answer
    x = 334,635.75

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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.