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Finding the Fourth Proportional to 585,668.70, 808,241.58 and 381,851.28

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Solution

The fourth proportional to 585,668.70, 808,241.58 and 381,851.28 is: 526,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,668.70 : 808,241.58 = 381,851.28 : x
  2. Step 2: Convert to fraction form
    585,668.70/808,241.58 = 381,851.28/x
  3. Step 3: Cross multiply
    585,668.70x = 808,241.58 × 381,851.28
  4. Step 4: Simplify right side
    585,668.70x = 308,628,081,872.22
  5. Step 5: Solve for x
    x = 308,628,081,872.22/585,668.70
  6. Step 6: Final answer
    x = 526,967.01

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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.