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Finding the Fourth Proportional to 590,594.43, 814,736.85 and 386,555.52

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Solution

The fourth proportional to 590,594.43, 814,736.85 and 386,555.52 is: 533,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,594.43 : 814,736.85 = 386,555.52 : x
  2. Step 2: Convert to fraction form
    590,594.43/814,736.85 = 386,555.52/x
  3. Step 3: Cross multiply
    590,594.43x = 814,736.85 × 386,555.52
  4. Step 4: Simplify right side
    590,594.43x = 314,941,026,714.91
  5. Step 5: Solve for x
    x = 314,941,026,714.91/590,594.43
  6. Step 6: Final answer
    x = 533,261.09

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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.