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Finding the Fourth Proportional to 541,640.16, 747,461.52 and 303,176.16

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Solution

The fourth proportional to 541,640.16, 747,461.52 and 303,176.16 is: 418,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,640.16 : 747,461.52 = 303,176.16 : x
  2. Step 2: Convert to fraction form
    541,640.16/747,461.52 = 303,176.16/x
  3. Step 3: Cross multiply
    541,640.16x = 747,461.52 × 303,176.16
  4. Step 4: Simplify right side
    541,640.16x = 226,612,513,381.36
  5. Step 5: Solve for x
    x = 226,612,513,381.36/541,640.16
  6. Step 6: Final answer
    x = 418,382.04

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Similar ratio
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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.