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Finding the Fourth Proportional to 660,682.20, 927,054.60 and 660,682.20

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Solution

The fourth proportional to 660,682.20, 927,054.60 and 660,682.20 is: 927,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,682.20 : 927,054.60 = 660,682.20 : x
  2. Step 2: Convert to fraction form
    660,682.20/927,054.60 = 660,682.20/x
  3. Step 3: Cross multiply
    660,682.20x = 927,054.60 × 660,682.20
  4. Step 4: Simplify right side
    660,682.20x = 612,488,472,648.12
  5. Step 5: Solve for x
    x = 612,488,472,648.12/660,682.20
  6. Step 6: Final answer
    x = 927,054.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.