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Finding the Fourth Proportional to 384,272.52, 530,294.76 and 214,505.16

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Solution

The fourth proportional to 384,272.52, 530,294.76 and 214,505.16 is: 296,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,272.52 : 530,294.76 = 214,505.16 : x
  2. Step 2: Convert to fraction form
    384,272.52/530,294.76 = 214,505.16/x
  3. Step 3: Cross multiply
    384,272.52x = 530,294.76 × 214,505.16
  4. Step 4: Simplify right side
    384,272.52x = 113,750,962,340.96
  5. Step 5: Solve for x
    x = 113,750,962,340.96/384,272.52
  6. Step 6: Final answer
    x = 296,016.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.