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Finding the Fourth Proportional to 384,730.19, 530,652.25 and 270,034.41

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Solution

The fourth proportional to 384,730.19, 530,652.25 and 270,034.41 is: 372,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,730.19 : 530,652.25 = 270,034.41 : x
  2. Step 2: Convert to fraction form
    384,730.19/530,652.25 = 270,034.41/x
  3. Step 3: Cross multiply
    384,730.19x = 530,652.25 × 270,034.41
  4. Step 4: Simplify right side
    384,730.19x = 143,294,366,568.84
  5. Step 5: Solve for x
    x = 143,294,366,568.84/384,730.19
  6. Step 6: Final answer
    x = 372,454.18

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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.