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Finding the Fourth Proportional to 713,005.44, 983,851.22 and 407,062.37

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Solution

The fourth proportional to 713,005.44, 983,851.22 and 407,062.37 is: 561,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,005.44 : 983,851.22 = 407,062.37 : x
  2. Step 2: Convert to fraction form
    713,005.44/983,851.22 = 407,062.37/x
  3. Step 3: Cross multiply
    713,005.44x = 983,851.22 × 407,062.37
  4. Step 4: Simplify right side
    713,005.44x = 400,488,802,386.02
  5. Step 5: Solve for x
    x = 400,488,802,386.02/713,005.44
  6. Step 6: Final answer
    x = 561,691.09

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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.