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Finding the Fourth Proportional to 269,925.40, 404,304.90 and 223,269.40

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Solution

The fourth proportional to 269,925.40, 404,304.90 and 223,269.40 is: 334,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,925.40 : 404,304.90 = 223,269.40 : x
  2. Step 2: Convert to fraction form
    269,925.40/404,304.90 = 223,269.40/x
  3. Step 3: Cross multiply
    269,925.40x = 404,304.90 × 223,269.40
  4. Step 4: Simplify right side
    269,925.40x = 90,268,912,440.06
  5. Step 5: Solve for x
    x = 90,268,912,440.06/269,925.40
  6. Step 6: Final answer
    x = 334,421.70

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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.