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Finding the Fourth Proportional to 416,662.96, 625,031.36 and 117,146.15

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Solution

The fourth proportional to 416,662.96, 625,031.36 and 117,146.15 is: 175,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,662.96 : 625,031.36 = 117,146.15 : x
  2. Step 2: Convert to fraction form
    416,662.96/625,031.36 = 117,146.15/x
  3. Step 3: Cross multiply
    416,662.96x = 625,031.36 × 117,146.15
  4. Step 4: Simplify right side
    416,662.96x = 73,220,016,855.02
  5. Step 5: Solve for x
    x = 73,220,016,855.02/416,662.96
  6. Step 6: Final answer
    x = 175,729.60

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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.