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Finding the Fourth Proportional to 547,603.10, 821,404.65 and 488,116.70

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Solution

The fourth proportional to 547,603.10, 821,404.65 and 488,116.70 is: 732,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,603.10 : 821,404.65 = 488,116.70 : x
  2. Step 2: Convert to fraction form
    547,603.10/821,404.65 = 488,116.70/x
  3. Step 3: Cross multiply
    547,603.10x = 821,404.65 × 488,116.70
  4. Step 4: Simplify right side
    547,603.10x = 400,941,327,122.66
  5. Step 5: Solve for x
    x = 400,941,327,122.66/547,603.10
  6. Step 6: Final answer
    x = 732,175.05

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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.