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Finding the Fourth Proportional to 484,903.67, 669,119.13 and 270,063.72

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Solution

The fourth proportional to 484,903.67, 669,119.13 and 270,063.72 is: 372,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,903.67 : 669,119.13 = 270,063.72 : x
  2. Step 2: Convert to fraction form
    484,903.67/669,119.13 = 270,063.72/x
  3. Step 3: Cross multiply
    484,903.67x = 669,119.13 × 270,063.72
  4. Step 4: Simplify right side
    484,903.67x = 180,704,801,370.96
  5. Step 5: Solve for x
    x = 180,704,801,370.96/484,903.67
  6. Step 6: Final answer
    x = 372,661.24

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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.