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Finding the Fourth Proportional to 585,031.90, 807,424.20 and 336,668.74

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Solution

The fourth proportional to 585,031.90, 807,424.20 and 336,668.74 is: 464,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031.90 : 807,424.20 = 336,668.74 : x
  2. Step 2: Convert to fraction form
    585,031.90/807,424.20 = 336,668.74/x
  3. Step 3: Cross multiply
    585,031.90x = 807,424.20 × 336,668.74
  4. Step 4: Simplify right side
    585,031.90x = 271,834,488,059.51
  5. Step 5: Solve for x
    x = 271,834,488,059.51/585,031.90
  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.