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Finding the Fourth Proportional to 567,216.27, 782,776.31 and 325,547.91

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Solution

The fourth proportional to 567,216.27, 782,776.31 and 325,547.91 is: 449,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,216.27 : 782,776.31 = 325,547.91 : x
  2. Step 2: Convert to fraction form
    567,216.27/782,776.31 = 325,547.91/x
  3. Step 3: Cross multiply
    567,216.27x = 782,776.31 × 325,547.91
  4. Step 4: Simplify right side
    567,216.27x = 254,831,190,090.27
  5. Step 5: Solve for x
    x = 254,831,190,090.27/567,216.27
  6. Step 6: Final answer
    x = 449,266.36

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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.