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Finding the Fourth Proportional to 1,169,321, 1,613,662.98 and 632,777

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Solution

The fourth proportional to 1,169,321, 1,613,662.98 and 632,777 is: 873,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,321 : 1,613,662.98 = 632,777 : x
  2. Step 2: Convert to fraction form
    1,169,321/1,613,662.98 = 632,777/x
  3. Step 3: Cross multiply
    1,169,321x = 1,613,662.98 × 632,777
  4. Step 4: Simplify right side
    1,169,321x = 1,021,088,819,495.46
  5. Step 5: Solve for x
    x = 1,021,088,819,495.46/1,169,321
  6. Step 6: Final answer
    x = 873,232.26

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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.