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Finding the Fourth Proportional to 609,344.40, 914,006.80 and 166,112.40

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Solution

The fourth proportional to 609,344.40, 914,006.80 and 166,112.40 is: 249,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,344.40 : 914,006.80 = 166,112.40 : x
  2. Step 2: Convert to fraction form
    609,344.40/914,006.80 = 166,112.40/x
  3. Step 3: Cross multiply
    609,344.40x = 914,006.80 × 166,112.40
  4. Step 4: Simplify right side
    609,344.40x = 151,827,863,164.32
  5. Step 5: Solve for x
    x = 151,827,863,164.32/609,344.40
  6. Step 6: Final answer
    x = 249,165.93

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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.