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Finding the Fourth Proportional to 632,053.44, 872,237.43 and 345,573.53

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Solution

The fourth proportional to 632,053.44, 872,237.43 and 345,573.53 is: 476,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,053.44 : 872,237.43 = 345,573.53 : x
  2. Step 2: Convert to fraction form
    632,053.44/872,237.43 = 345,573.53/x
  3. Step 3: Cross multiply
    632,053.44x = 872,237.43 × 345,573.53
  4. Step 4: Simplify right side
    632,053.44x = 301,422,163,322.04
  5. Step 5: Solve for x
    x = 301,422,163,322.04/632,053.44
  6. Step 6: Final answer
    x = 476,893.48

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1.5x scale

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.