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Finding the Fourth Proportional to 606,123.42, 836,393.22 and 351,447

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Solution

The fourth proportional to 606,123.42, 836,393.22 and 351,447 is: 484,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.42 : 836,393.22 = 351,447 : x
  2. Step 2: Convert to fraction form
    606,123.42/836,393.22 = 351,447/x
  3. Step 3: Cross multiply
    606,123.42x = 836,393.22 × 351,447
  4. Step 4: Simplify right side
    606,123.42x = 293,947,887,989.34
  5. Step 5: Solve for x
    x = 293,947,887,989.34/606,123.42
  6. Step 6: Final answer
    x = 484,963.75

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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.