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Finding the Fourth Proportional to 547,535.90, 755,614.76 and 302,536.44

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Solution

The fourth proportional to 547,535.90, 755,614.76 and 302,536.44 is: 417,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,535.90 : 755,614.76 = 302,536.44 : x
  2. Step 2: Convert to fraction form
    547,535.90/755,614.76 = 302,536.44/x
  3. Step 3: Cross multiply
    547,535.90x = 755,614.76 × 302,536.44
  4. Step 4: Simplify right side
    547,535.90x = 228,600,999,501.85
  5. Step 5: Solve for x
    x = 228,600,999,501.85/547,535.90
  6. Step 6: Final answer
    x = 417,508.70

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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.