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Finding the Fourth Proportional to 437,444.78, 603,673.74 and 236,240.78

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Solution

The fourth proportional to 437,444.78, 603,673.74 and 236,240.78 is: 326,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,444.78 : 603,673.74 = 236,240.78 : x
  2. Step 2: Convert to fraction form
    437,444.78/603,673.74 = 236,240.78/x
  3. Step 3: Cross multiply
    437,444.78x = 603,673.74 × 236,240.78
  4. Step 4: Simplify right side
    437,444.78x = 142,612,355,203.12
  5. Step 5: Solve for x
    x = 142,612,355,203.12/437,444.78
  6. Step 6: Final answer
    x = 326,012.25

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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.