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Finding the Fourth Proportional to 541,100.38, 746,740.53 and 299,379.04

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Solution

The fourth proportional to 541,100.38, 746,740.53 and 299,379.04 is: 413,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,100.38 : 746,740.53 = 299,379.04 : x
  2. Step 2: Convert to fraction form
    541,100.38/746,740.53 = 299,379.04/x
  3. Step 3: Cross multiply
    541,100.38x = 746,740.53 × 299,379.04
  4. Step 4: Simplify right side
    541,100.38x = 223,558,463,000.49
  5. Step 5: Solve for x
    x = 223,558,463,000.49/541,100.38
  6. Step 6: Final answer
    x = 413,155.25

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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.