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Finding the Fourth Proportional to 341,240.40, 512,281.80 and 214,880.40

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Solution

The fourth proportional to 341,240.40, 512,281.80 and 214,880.40 is: 322,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,240.40 : 512,281.80 = 214,880.40 : x
  2. Step 2: Convert to fraction form
    341,240.40/512,281.80 = 214,880.40/x
  3. Step 3: Cross multiply
    341,240.40x = 512,281.80 × 214,880.40
  4. Step 4: Simplify right side
    341,240.40x = 110,079,318,096.72
  5. Step 5: Solve for x
    x = 110,079,318,096.72/341,240.40
  6. Step 6: Final answer
    x = 322,585.83

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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.