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Finding the Fourth Proportional to 444,090.53, 666,205.65 and 191,442.83

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Solution

The fourth proportional to 444,090.53, 666,205.65 and 191,442.83 is: 287,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,090.53 : 666,205.65 = 191,442.83 : x
  2. Step 2: Convert to fraction form
    444,090.53/666,205.65 = 191,442.83/x
  3. Step 3: Cross multiply
    444,090.53x = 666,205.65 × 191,442.83
  4. Step 4: Simplify right side
    444,090.53x = 127,540,291,666.96
  5. Step 5: Solve for x
    x = 127,540,291,666.96/444,090.53
  6. Step 6: Final answer
    x = 287,194.35

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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.