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Finding the Fourth Proportional to 827,600.21, 1,142,051.86 and 483,468.02

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Solution

The fourth proportional to 827,600.21, 1,142,051.86 and 483,468.02 is: 667,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,600.21 : 1,142,051.86 = 483,468.02 : x
  2. Step 2: Convert to fraction form
    827,600.21/1,142,051.86 = 483,468.02/x
  3. Step 3: Cross multiply
    827,600.21x = 1,142,051.86 × 483,468.02
  4. Step 4: Simplify right side
    827,600.21x = 552,145,544,736.76
  5. Step 5: Solve for x
    x = 552,145,544,736.76/827,600.21
  6. Step 6: Final answer
    x = 667,164.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.