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Finding the Fourth Proportional to 547,537.90, 755,617.52 and 302,538.44

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Solution

The fourth proportional to 547,537.90, 755,617.52 and 302,538.44 is: 417,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,537.90 : 755,617.52 = 302,538.44 : x
  2. Step 2: Convert to fraction form
    547,537.90/755,617.52 = 302,538.44/x
  3. Step 3: Cross multiply
    547,537.90x = 755,617.52 × 302,538.44
  4. Step 4: Simplify right side
    547,537.90x = 228,603,345,737.47
  5. Step 5: Solve for x
    x = 228,603,345,737.47/547,537.90
  6. Step 6: Final answer
    x = 417,511.46

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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.