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Finding the Fourth Proportional to 622,794.60, 933,414.30 and 456,388.20

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Solution

The fourth proportional to 622,794.60, 933,414.30 and 456,388.20 is: 684,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,794.60 : 933,414.30 = 456,388.20 : x
  2. Step 2: Convert to fraction form
    622,794.60/933,414.30 = 456,388.20/x
  3. Step 3: Cross multiply
    622,794.60x = 933,414.30 × 456,388.20
  4. Step 4: Simplify right side
    622,794.60x = 425,999,272,231.26
  5. Step 5: Solve for x
    x = 425,999,272,231.26/622,794.60
  6. Step 6: Final answer
    x = 684,012.47

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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.