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Finding the Fourth Proportional to 632,147.94, 872,292.51 and 374,032.80

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Solution

The fourth proportional to 632,147.94, 872,292.51 and 374,032.80 is: 516,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,147.94 : 872,292.51 = 374,032.80 : x
  2. Step 2: Convert to fraction form
    632,147.94/872,292.51 = 374,032.80/x
  3. Step 3: Cross multiply
    632,147.94x = 872,292.51 × 374,032.80
  4. Step 4: Simplify right side
    632,147.94x = 326,266,009,934.33
  5. Step 5: Solve for x
    x = 326,266,009,934.33/632,147.94
  6. Step 6: Final answer
    x = 516,122.87

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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.