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Finding the Fourth Proportional to 589,886.20, 814,019.51 and 348,246.62

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Solution

The fourth proportional to 589,886.20, 814,019.51 and 348,246.62 is: 480,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,886.20 : 814,019.51 = 348,246.62 : x
  2. Step 2: Convert to fraction form
    589,886.20/814,019.51 = 348,246.62/x
  3. Step 3: Cross multiply
    589,886.20x = 814,019.51 × 348,246.62
  4. Step 4: Simplify right side
    589,886.20x = 283,479,541,230.32
  5. Step 5: Solve for x
    x = 283,479,541,230.32/589,886.20
  6. Step 6: Final answer
    x = 480,566.50

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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.