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Finding the Fourth Proportional to 622,237.92, 858,463.76 and 407,500.44

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Solution

The fourth proportional to 622,237.92, 858,463.76 and 407,500.44 is: 562,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,237.92 : 858,463.76 = 407,500.44 : x
  2. Step 2: Convert to fraction form
    622,237.92/858,463.76 = 407,500.44/x
  3. Step 3: Cross multiply
    622,237.92x = 858,463.76 × 407,500.44
  4. Step 4: Simplify right side
    622,237.92x = 349,824,359,924.05
  5. Step 5: Solve for x
    x = 349,824,359,924.05/622,237.92
  6. Step 6: Final answer
    x = 562,203.54

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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.