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Finding the Fourth Proportional to 650,051.20, 975,076.80 and 567,107.20

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Solution

The fourth proportional to 650,051.20, 975,076.80 and 567,107.20 is: 850,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,051.20 : 975,076.80 = 567,107.20 : x
  2. Step 2: Convert to fraction form
    650,051.20/975,076.80 = 567,107.20/x
  3. Step 3: Cross multiply
    650,051.20x = 975,076.80 × 567,107.20
  4. Step 4: Simplify right side
    650,051.20x = 552,973,073,832.96
  5. Step 5: Solve for x
    x = 552,973,073,832.96/650,051.20
  6. Step 6: Final answer
    x = 850,660.80

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Double scale
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Similar ratio
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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.