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Finding the Fourth Proportional to 632,514.81, 872,853.73 and 374,405.07

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Solution

The fourth proportional to 632,514.81, 872,853.73 and 374,405.07 is: 516,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,514.81 : 872,853.73 = 374,405.07 : x
  2. Step 2: Convert to fraction form
    632,514.81/872,853.73 = 374,405.07/x
  3. Step 3: Cross multiply
    632,514.81x = 872,853.73 × 374,405.07
  4. Step 4: Simplify right side
    632,514.81x = 326,800,861,880.41
  5. Step 5: Solve for x
    x = 326,800,861,880.41/632,514.81
  6. Step 6: Final answer
    x = 516,669.11

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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.