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Finding the Fourth Proportional to 590,384.70, 814,721.88 and 328,738.26

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Solution

The fourth proportional to 590,384.70, 814,721.88 and 328,738.26 is: 453,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,384.70 : 814,721.88 = 328,738.26 : x
  2. Step 2: Convert to fraction form
    590,384.70/814,721.88 = 328,738.26/x
  3. Step 3: Cross multiply
    590,384.70x = 814,721.88 × 328,738.26
  4. Step 4: Simplify right side
    590,384.70x = 267,830,253,215.13
  5. Step 5: Solve for x
    x = 267,830,253,215.13/590,384.70
  6. Step 6: Final answer
    x = 453,653.78

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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.