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Finding the Fourth Proportional to 590,640.56, 814,648.84 and 445,452.40

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Solution

The fourth proportional to 590,640.56, 814,648.84 and 445,452.40 is: 614,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,640.56 : 814,648.84 = 445,452.40 : x
  2. Step 2: Convert to fraction form
    590,640.56/814,648.84 = 445,452.40/x
  3. Step 3: Cross multiply
    590,640.56x = 814,648.84 × 445,452.40
  4. Step 4: Simplify right side
    590,640.56x = 362,887,280,935.22
  5. Step 5: Solve for x
    x = 362,887,280,935.22/590,640.56
  6. Step 6: Final answer
    x = 614,396.14

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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.