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Finding the Fourth Proportional to 505,905.92, 759,250.56 and 190,649.60

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Solution

The fourth proportional to 505,905.92, 759,250.56 and 190,649.60 is: 286,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,905.92 : 759,250.56 = 190,649.60 : x
  2. Step 2: Convert to fraction form
    505,905.92/759,250.56 = 190,649.60/x
  3. Step 3: Cross multiply
    505,905.92x = 759,250.56 × 190,649.60
  4. Step 4: Simplify right side
    505,905.92x = 144,750,815,563.78
  5. Step 5: Solve for x
    x = 144,750,815,563.78/505,905.92
  6. Step 6: Final answer
    x = 286,122.00

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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.