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Finding the Fourth Proportional to 437,187.72, 603,349.92 and 243,608.26

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Solution

The fourth proportional to 437,187.72, 603,349.92 and 243,608.26 is: 336,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,187.72 : 603,349.92 = 243,608.26 : x
  2. Step 2: Convert to fraction form
    437,187.72/603,349.92 = 243,608.26/x
  3. Step 3: Cross multiply
    437,187.72x = 603,349.92 × 243,608.26
  4. Step 4: Simplify right side
    437,187.72x = 146,981,024,182.34
  5. Step 5: Solve for x
    x = 146,981,024,182.34/437,187.72
  6. Step 6: Final answer
    x = 336,196.60

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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.