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Finding the Fourth Proportional to 582,265.36, 803,473.05 and 340,505.88

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Solution

The fourth proportional to 582,265.36, 803,473.05 and 340,505.88 is: 469,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,265.36 : 803,473.05 = 340,505.88 : x
  2. Step 2: Convert to fraction form
    582,265.36/803,473.05 = 340,505.88/x
  3. Step 3: Cross multiply
    582,265.36x = 803,473.05 × 340,505.88
  4. Step 4: Simplify right side
    582,265.36x = 273,587,297,946.53
  5. Step 5: Solve for x
    x = 273,587,297,946.53/582,265.36
  6. Step 6: Final answer
    x = 469,867.03

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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.