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Finding the Fourth Proportional to 609,360.36, 914,030.76 and 166,128.36

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Solution

The fourth proportional to 609,360.36, 914,030.76 and 166,128.36 is: 249,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,360.36 : 914,030.76 = 166,128.36 : x
  2. Step 2: Convert to fraction form
    609,360.36/914,030.76 = 166,128.36/x
  3. Step 3: Cross multiply
    609,360.36x = 914,030.76 × 166,128.36
  4. Step 4: Simplify right side
    609,360.36x = 151,846,431,148.35
  5. Step 5: Solve for x
    x = 151,846,431,148.35/609,360.36
  6. Step 6: Final answer
    x = 249,189.87

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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.