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Finding the Fourth Proportional to 354,757.80, 531,674.60 and 144,149.52

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Solution

The fourth proportional to 354,757.80, 531,674.60 and 144,149.52 is: 216,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,757.80 : 531,674.60 = 144,149.52 : x
  2. Step 2: Convert to fraction form
    354,757.80/531,674.60 = 144,149.52/x
  3. Step 3: Cross multiply
    354,757.80x = 531,674.60 × 144,149.52
  4. Step 4: Simplify right side
    354,757.80x = 76,640,638,386.19
  5. Step 5: Solve for x
    x = 76,640,638,386.19/354,757.80
  6. Step 6: Final answer
    x = 216,036.51

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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.