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Finding the Fourth Proportional to 694,953.56, 958,541.49 and 637,777.49

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Solution

The fourth proportional to 694,953.56, 958,541.49 and 637,777.49 is: 879,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,953.56 : 958,541.49 = 637,777.49 : x
  2. Step 2: Convert to fraction form
    694,953.56/958,541.49 = 637,777.49/x
  3. Step 3: Cross multiply
    694,953.56x = 958,541.49 × 637,777.49
  4. Step 4: Simplify right side
    694,953.56x = 611,336,185,553.06
  5. Step 5: Solve for x
    x = 611,336,185,553.06/694,953.56
  6. Step 6: Final answer
    x = 879,679.19

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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.