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Finding the Fourth Proportional to 458,755.05, 632,826.79 and 426,280.84

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Solution

The fourth proportional to 458,755.05, 632,826.79 and 426,280.84 is: 588,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,755.05 : 632,826.79 = 426,280.84 : x
  2. Step 2: Convert to fraction form
    458,755.05/632,826.79 = 426,280.84/x
  3. Step 3: Cross multiply
    458,755.05x = 632,826.79 × 426,280.84
  4. Step 4: Simplify right side
    458,755.05x = 269,761,932,967.94
  5. Step 5: Solve for x
    x = 269,761,932,967.94/458,755.05
  6. Step 6: Final answer
    x = 588,030.43

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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.