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Finding the Fourth Proportional to 622,108.80, 933,163.20 and 608,284.80

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Solution

The fourth proportional to 622,108.80, 933,163.20 and 608,284.80 is: 912,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,108.80 : 933,163.20 = 608,284.80 : x
  2. Step 2: Convert to fraction form
    622,108.80/933,163.20 = 608,284.80/x
  3. Step 3: Cross multiply
    622,108.80x = 933,163.20 × 608,284.80
  4. Step 4: Simplify right side
    622,108.80x = 567,628,990,479.36
  5. Step 5: Solve for x
    x = 567,628,990,479.36/622,108.80
  6. Step 6: Final answer
    x = 912,427.20

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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.