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Finding the Fourth Proportional to 299,670.60, 448,922.70 and 166,312.20

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Solution

The fourth proportional to 299,670.60, 448,922.70 and 166,312.20 is: 249,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,670.60 : 448,922.70 = 166,312.20 : x
  2. Step 2: Convert to fraction form
    299,670.60/448,922.70 = 166,312.20/x
  3. Step 3: Cross multiply
    299,670.60x = 448,922.70 × 166,312.20
  4. Step 4: Simplify right side
    299,670.60x = 74,661,321,866.94
  5. Step 5: Solve for x
    x = 74,661,321,866.94/299,670.60
  6. Step 6: Final answer
    x = 249,144.63

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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.