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Finding the Fourth Proportional to 365,476.80, 548,507.52 and 353,812.80

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Solution

The fourth proportional to 365,476.80, 548,507.52 and 353,812.80 is: 531,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,476.80 : 548,507.52 = 353,812.80 : x
  2. Step 2: Convert to fraction form
    365,476.80/548,507.52 = 353,812.80/x
  3. Step 3: Cross multiply
    365,476.80x = 548,507.52 × 353,812.80
  4. Step 4: Simplify right side
    365,476.80x = 194,068,981,472.26
  5. Step 5: Solve for x
    x = 194,068,981,472.26/365,476.80
  6. Step 6: Final answer
    x = 531,002.19

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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.