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Finding the Fourth Proportional to 477,046.80, 715,570.20 and 365,072.40

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Solution

The fourth proportional to 477,046.80, 715,570.20 and 365,072.40 is: 547,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,046.80 : 715,570.20 = 365,072.40 : x
  2. Step 2: Convert to fraction form
    477,046.80/715,570.20 = 365,072.40/x
  3. Step 3: Cross multiply
    477,046.80x = 715,570.20 × 365,072.40
  4. Step 4: Simplify right side
    477,046.80x = 261,234,930,282.48
  5. Step 5: Solve for x
    x = 261,234,930,282.48/477,046.80
  6. Step 6: Final answer
    x = 547,608.60

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Similar ratio
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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.