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Finding the Fourth Proportional to 635,746.33, 877,026.81 and 463,294.54

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Solution

The fourth proportional to 635,746.33, 877,026.81 and 463,294.54 is: 639,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,746.33 : 877,026.81 = 463,294.54 : x
  2. Step 2: Convert to fraction form
    635,746.33/877,026.81 = 463,294.54/x
  3. Step 3: Cross multiply
    635,746.33x = 877,026.81 × 463,294.54
  4. Step 4: Simplify right side
    635,746.33x = 406,321,732,506.62
  5. Step 5: Solve for x
    x = 406,321,732,506.62/635,746.33
  6. Step 6: Final answer
    x = 639,125.57

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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.