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Finding the Fourth Proportional to 780,216.60, 1,168,356.60 and 622,752.60

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Solution

The fourth proportional to 780,216.60, 1,168,356.60 and 622,752.60 is: 932,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,216.60 : 1,168,356.60 = 622,752.60 : x
  2. Step 2: Convert to fraction form
    780,216.60/1,168,356.60 = 622,752.60/x
  3. Step 3: Cross multiply
    780,216.60x = 1,168,356.60 × 622,752.60
  4. Step 4: Simplify right side
    780,216.60x = 727,597,110,377.16
  5. Step 5: Solve for x
    x = 727,597,110,377.16/780,216.60
  6. Step 6: Final answer
    x = 932,557.84

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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.