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Finding the Fourth Proportional to 472,514.76, 709,031.34 and 191,956.68

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Solution

The fourth proportional to 472,514.76, 709,031.34 and 191,956.68 is: 288,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,514.76 : 709,031.34 = 191,956.68 : x
  2. Step 2: Convert to fraction form
    472,514.76/709,031.34 = 191,956.68/x
  3. Step 3: Cross multiply
    472,514.76x = 709,031.34 × 191,956.68
  4. Step 4: Simplify right side
    472,514.76x = 136,103,302,042.35
  5. Step 5: Solve for x
    x = 136,103,302,042.35/472,514.76
  6. Step 6: Final answer
    x = 288,040.32

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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.