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Finding the Fourth Proportional to 482,869.43, 725,015.16 and 270,054.30

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Solution

The fourth proportional to 482,869.43, 725,015.16 and 270,054.30 is: 405,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,869.43 : 725,015.16 = 270,054.30 : x
  2. Step 2: Convert to fraction form
    482,869.43/725,015.16 = 270,054.30/x
  3. Step 3: Cross multiply
    482,869.43x = 725,015.16 × 270,054.30
  4. Step 4: Simplify right side
    482,869.43x = 195,793,461,523.19
  5. Step 5: Solve for x
    x = 195,793,461,523.19/482,869.43
  6. Step 6: Final answer
    x = 405,479.10

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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.