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Finding the Fourth Proportional to 365,603.10, 548,404.65 and 277,029.60

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Solution

The fourth proportional to 365,603.10, 548,404.65 and 277,029.60 is: 415,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,603.10 : 548,404.65 = 277,029.60 : x
  2. Step 2: Convert to fraction form
    365,603.10/548,404.65 = 277,029.60/x
  3. Step 3: Cross multiply
    365,603.10x = 548,404.65 × 277,029.60
  4. Step 4: Simplify right side
    365,603.10x = 151,924,320,827.64
  5. Step 5: Solve for x
    x = 151,924,320,827.64/365,603.10
  6. Step 6: Final answer
    x = 415,544.40

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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.