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Finding the Fourth Proportional to 585,112, 807,457.55 and 326,993.26

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Solution

The fourth proportional to 585,112, 807,457.55 and 326,993.26 is: 451,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,112 : 807,457.55 = 326,993.26 : x
  2. Step 2: Convert to fraction form
    585,112/807,457.55 = 326,993.26/x
  3. Step 3: Cross multiply
    585,112x = 807,457.55 × 326,993.26
  4. Step 4: Simplify right side
    585,112x = 264,033,170,913.86
  5. Step 5: Solve for x
    x = 264,033,170,913.86/585,112
  6. Step 6: Final answer
    x = 451,252.36

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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.