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Finding the Fourth Proportional to 500,378.25, 750,645.14 and 168,032.01

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Solution

The fourth proportional to 500,378.25, 750,645.14 and 168,032.01 is: 252,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,378.25 : 750,645.14 = 168,032.01 : x
  2. Step 2: Convert to fraction form
    500,378.25/750,645.14 = 168,032.01/x
  3. Step 3: Cross multiply
    500,378.25x = 750,645.14 × 168,032.01
  4. Step 4: Simplify right side
    500,378.25x = 126,132,410,830.77
  5. Step 5: Solve for x
    x = 126,132,410,830.77/500,378.25
  6. Step 6: Final answer
    x = 252,074.13

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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.