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Finding the Fourth Proportional to 585,031.91, 807,424.21 and 336,668.74

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Solution

The fourth proportional to 585,031.91, 807,424.21 and 336,668.74 is: 464,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031.91 : 807,424.21 = 336,668.74 : x
  2. Step 2: Convert to fraction form
    585,031.91/807,424.21 = 336,668.74/x
  3. Step 3: Cross multiply
    585,031.91x = 807,424.21 × 336,668.74
  4. Step 4: Simplify right side
    585,031.91x = 271,834,489,742.85
  5. Step 5: Solve for x
    x = 271,834,489,742.85/585,031.91
  6. Step 6: Final answer
    x = 464,649.00

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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.