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Finding the Fourth Proportional to 501,452.63, 752,289.66 and 185,909.57

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Solution

The fourth proportional to 501,452.63, 752,289.66 and 185,909.57 is: 278,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,452.63 : 752,289.66 = 185,909.57 : x
  2. Step 2: Convert to fraction form
    501,452.63/752,289.66 = 185,909.57/x
  3. Step 3: Cross multiply
    501,452.63x = 752,289.66 × 185,909.57
  4. Step 4: Simplify right side
    501,452.63x = 139,857,843,444.60
  5. Step 5: Solve for x
    x = 139,857,843,444.60/501,452.63
  6. Step 6: Final answer
    x = 278,905.40

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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.