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Finding the Fourth Proportional to 635,762.36, 877,048.90 and 463,310.60

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Solution

The fourth proportional to 635,762.36, 877,048.90 and 463,310.60 is: 639,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,762.36 : 877,048.90 = 463,310.60 : x
  2. Step 2: Convert to fraction form
    635,762.36/877,048.90 = 463,310.60/x
  3. Step 3: Cross multiply
    635,762.36x = 877,048.90 × 463,310.60
  4. Step 4: Simplify right side
    635,762.36x = 406,346,052,088.34
  5. Step 5: Solve for x
    x = 406,346,052,088.34/635,762.36
  6. Step 6: Final answer
    x = 639,147.70

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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.