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Finding the Fourth Proportional to 416,546.18, 624,798.51 and 146,687.64

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Solution

The fourth proportional to 416,546.18, 624,798.51 and 146,687.64 is: 220,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,546.18 : 624,798.51 = 146,687.64 : x
  2. Step 2: Convert to fraction form
    416,546.18/624,798.51 = 146,687.64/x
  3. Step 3: Cross multiply
    416,546.18x = 624,798.51 × 146,687.64
  4. Step 4: Simplify right side
    416,546.18x = 91,650,217,718.08
  5. Step 5: Solve for x
    x = 91,650,217,718.08/416,546.18
  6. Step 6: Final answer
    x = 220,024.14

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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.