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Finding the Fourth Proportional to 362,547.70, 543,821.55 and 329,305.30

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Solution

The fourth proportional to 362,547.70, 543,821.55 and 329,305.30 is: 493,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,547.70 : 543,821.55 = 329,305.30 : x
  2. Step 2: Convert to fraction form
    362,547.70/543,821.55 = 329,305.30/x
  3. Step 3: Cross multiply
    362,547.70x = 543,821.55 × 329,305.30
  4. Step 4: Simplify right side
    362,547.70x = 179,083,318,669.22
  5. Step 5: Solve for x
    x = 179,083,318,669.22/362,547.70
  6. Step 6: Final answer
    x = 493,957.95

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Similar ratio
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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.