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Finding the Fourth Proportional to 500,378.38, 750,645.32 and 168,032.14

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Solution

The fourth proportional to 500,378.38, 750,645.32 and 168,032.14 is: 252,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,378.38 : 750,645.32 = 168,032.14 : x
  2. Step 2: Convert to fraction form
    500,378.38/750,645.32 = 168,032.14/x
  3. Step 3: Cross multiply
    500,378.38x = 750,645.32 × 168,032.14
  4. Step 4: Simplify right side
    500,378.38x = 126,132,539,500.59
  5. Step 5: Solve for x
    x = 126,132,539,500.59/500,378.38
  6. Step 6: Final answer
    x = 252,074.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.