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Finding the Fourth Proportional to 465,503.36, 698,561.22 and 255,288.92

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Solution

The fourth proportional to 465,503.36, 698,561.22 and 255,288.92 is: 383,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,503.36 : 698,561.22 = 255,288.92 : x
  2. Step 2: Convert to fraction form
    465,503.36/698,561.22 = 255,288.92/x
  3. Step 3: Cross multiply
    465,503.36x = 698,561.22 × 255,288.92
  4. Step 4: Simplify right side
    465,503.36x = 178,334,939,407.68
  5. Step 5: Solve for x
    x = 178,334,939,407.68/465,503.36
  6. Step 6: Final answer
    x = 383,101.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.