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Finding the Fourth Proportional to 436,992.23, 603,050.27 and 243,398.39

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Solution

The fourth proportional to 436,992.23, 603,050.27 and 243,398.39 is: 335,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,992.23 : 603,050.27 = 243,398.39 : x
  2. Step 2: Convert to fraction form
    436,992.23/603,050.27 = 243,398.39/x
  3. Step 3: Cross multiply
    436,992.23x = 603,050.27 × 243,398.39
  4. Step 4: Simplify right side
    436,992.23x = 146,781,460,574.82
  5. Step 5: Solve for x
    x = 146,781,460,574.82/436,992.23
  6. Step 6: Final answer
    x = 335,890.32

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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.