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Finding the Fourth Proportional to 588,554, 812,148.36 and 330,371.84

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Solution

The fourth proportional to 588,554, 812,148.36 and 330,371.84 is: 455,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,554 : 812,148.36 = 330,371.84 : x
  2. Step 2: Convert to fraction form
    588,554/812,148.36 = 330,371.84/x
  3. Step 3: Cross multiply
    588,554x = 812,148.36 × 330,371.84
  4. Step 4: Simplify right side
    588,554x = 268,310,948,046.18
  5. Step 5: Solve for x
    x = 268,310,948,046.18/588,554
  6. Step 6: Final answer
    x = 455,881.62

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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.