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Finding the Fourth Proportional to 590,585.28, 814,996.32 and 322,315.20

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Solution

The fourth proportional to 590,585.28, 814,996.32 and 322,315.20 is: 444,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,585.28 : 814,996.32 = 322,315.20 : x
  2. Step 2: Convert to fraction form
    590,585.28/814,996.32 = 322,315.20/x
  3. Step 3: Cross multiply
    590,585.28x = 814,996.32 × 322,315.20
  4. Step 4: Simplify right side
    590,585.28x = 262,685,701,880.06
  5. Step 5: Solve for x
    x = 262,685,701,880.06/590,585.28
  6. Step 6: Final answer
    x = 444,788.77

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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.