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Finding the Fourth Proportional to 437,778.70, 604,133.31 and 236,574.70

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Solution

The fourth proportional to 437,778.70, 604,133.31 and 236,574.70 is: 326,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,778.70 : 604,133.31 = 236,574.70 : x
  2. Step 2: Convert to fraction form
    437,778.70/604,133.31 = 236,574.70/x
  3. Step 3: Cross multiply
    437,778.70x = 604,133.31 × 236,574.70
  4. Step 4: Simplify right side
    437,778.70x = 142,922,656,573.26
  5. Step 5: Solve for x
    x = 142,922,656,573.26/437,778.70
  6. Step 6: Final answer
    x = 326,472.39

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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.