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Finding the Fourth Proportional to 590,210.52, 814,490.48 and 321,938.52

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Solution

The fourth proportional to 590,210.52, 814,490.48 and 321,938.52 is: 444,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,210.52 : 814,490.48 = 321,938.52 : x
  2. Step 2: Convert to fraction form
    590,210.52/814,490.48 = 321,938.52/x
  3. Step 3: Cross multiply
    590,210.52x = 814,490.48 × 321,938.52
  4. Step 4: Simplify right side
    590,210.52x = 262,215,859,685.29
  5. Step 5: Solve for x
    x = 262,215,859,685.29/590,210.52
  6. Step 6: Final answer
    x = 444,275.14

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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.