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Finding the Fourth Proportional to 632,513.81, 872,852.36 and 374,404.07

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Solution

The fourth proportional to 632,513.81, 872,852.36 and 374,404.07 is: 516,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,513.81 : 872,852.36 = 374,404.07 : x
  2. Step 2: Convert to fraction form
    632,513.81/872,852.36 = 374,404.07/x
  3. Step 3: Cross multiply
    632,513.81x = 872,852.36 × 374,404.07
  4. Step 4: Simplify right side
    632,513.81x = 326,799,476,403.22
  5. Step 5: Solve for x
    x = 326,799,476,403.22/632,513.81
  6. Step 6: Final answer
    x = 516,667.73

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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.