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Finding the Fourth Proportional to 416,535.84, 624,674.40 and 150,261.72

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Solution

The fourth proportional to 416,535.84, 624,674.40 and 150,261.72 is: 225,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,535.84 : 624,674.40 = 150,261.72 : x
  2. Step 2: Convert to fraction form
    416,535.84/624,674.40 = 150,261.72/x
  3. Step 3: Cross multiply
    416,535.84x = 624,674.40 × 150,261.72
  4. Step 4: Simplify right side
    416,535.84x = 93,864,649,783.97
  5. Step 5: Solve for x
    x = 93,864,649,783.97/416,535.84
  6. Step 6: Final answer
    x = 225,345.91

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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.