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Finding the Fourth Proportional to 632,060.88, 872,256.60 and 345,598.80

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Solution

The fourth proportional to 632,060.88, 872,256.60 and 345,598.80 is: 476,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,060.88 : 872,256.60 = 345,598.80 : x
  2. Step 2: Convert to fraction form
    632,060.88/872,256.60 = 345,598.80/x
  3. Step 3: Cross multiply
    632,060.88x = 872,256.60 × 345,598.80
  4. Step 4: Simplify right side
    632,060.88x = 301,450,834,252.08
  5. Step 5: Solve for x
    x = 301,450,834,252.08/632,060.88
  6. Step 6: Final answer
    x = 476,933.23

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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.