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Finding the Fourth Proportional to 632,394.13, 872,998.01 and 374,189.89

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Solution

The fourth proportional to 632,394.13, 872,998.01 and 374,189.89 is: 516,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,394.13 : 872,998.01 = 374,189.89 : x
  2. Step 2: Convert to fraction form
    632,394.13/872,998.01 = 374,189.89/x
  3. Step 3: Cross multiply
    632,394.13x = 872,998.01 × 374,189.89
  4. Step 4: Simplify right side
    632,394.13x = 326,667,029,332.12
  5. Step 5: Solve for x
    x = 326,667,029,332.12/632,394.13
  6. Step 6: Final answer
    x = 516,556.07

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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.