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Finding the Fourth Proportional to 293,624.40, 440,436.60 and 210,680.40

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Solution

The fourth proportional to 293,624.40, 440,436.60 and 210,680.40 is: 316,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,624.40 : 440,436.60 = 210,680.40 : x
  2. Step 2: Convert to fraction form
    293,624.40/440,436.60 = 210,680.40/x
  3. Step 3: Cross multiply
    293,624.40x = 440,436.60 × 210,680.40
  4. Step 4: Simplify right side
    293,624.40x = 92,791,359,062.64
  5. Step 5: Solve for x
    x = 92,791,359,062.64/293,624.40
  6. Step 6: Final answer
    x = 316,020.60

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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.