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Finding the Fourth Proportional to 633,505.73, 873,537.36 and 403,699.01

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Solution

The fourth proportional to 633,505.73, 873,537.36 and 403,699.01 is: 556,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,505.73 : 873,537.36 = 403,699.01 : x
  2. Step 2: Convert to fraction form
    633,505.73/873,537.36 = 403,699.01/x
  3. Step 3: Cross multiply
    633,505.73x = 873,537.36 × 403,699.01
  4. Step 4: Simplify right side
    633,505.73x = 352,646,163,062.33
  5. Step 5: Solve for x
    x = 352,646,163,062.33/633,505.73
  6. Step 6: Final answer
    x = 556,658.21

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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.