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Finding the Fourth Proportional to 416,202.51, 624,304.08 and 100,659.72

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Solution

The fourth proportional to 416,202.51, 624,304.08 and 100,659.72 is: 150,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,202.51 : 624,304.08 = 100,659.72 : x
  2. Step 2: Convert to fraction form
    416,202.51/624,304.08 = 100,659.72/x
  3. Step 3: Cross multiply
    416,202.51x = 624,304.08 × 100,659.72
  4. Step 4: Simplify right side
    416,202.51x = 62,842,276,228.80
  5. Step 5: Solve for x
    x = 62,842,276,228.80/416,202.51
  6. Step 6: Final answer
    x = 150,989.66

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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.