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Finding the Fourth Proportional to 622,360.50, 858,806.43 and 350,341.44

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Solution

The fourth proportional to 622,360.50, 858,806.43 and 350,341.44 is: 483,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,360.50 : 858,806.43 = 350,341.44 : x
  2. Step 2: Convert to fraction form
    622,360.50/858,806.43 = 350,341.44/x
  3. Step 3: Cross multiply
    622,360.50x = 858,806.43 × 350,341.44
  4. Step 4: Simplify right side
    622,360.50x = 300,875,481,367.46
  5. Step 5: Solve for x
    x = 300,875,481,367.46/622,360.50
  6. Step 6: Final answer
    x = 483,442.44

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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.