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Finding the Fourth Proportional to 437,365.72, 603,358.32 and 255,965.26

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Solution

The fourth proportional to 437,365.72, 603,358.32 and 255,965.26 is: 353,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,365.72 : 603,358.32 = 255,965.26 : x
  2. Step 2: Convert to fraction form
    437,365.72/603,358.32 = 255,965.26/x
  3. Step 3: Cross multiply
    437,365.72x = 603,358.32 × 255,965.26
  4. Step 4: Simplify right side
    437,365.72x = 154,438,769,251.96
  5. Step 5: Solve for x
    x = 154,438,769,251.96/437,365.72
  6. Step 6: Final answer
    x = 353,111.28

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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.