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Finding the Fourth Proportional to 416,783.22, 624,510.51 and 266,900.20

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Solution

The fourth proportional to 416,783.22, 624,510.51 and 266,900.20 is: 399,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,783.22 : 624,510.51 = 266,900.20 : x
  2. Step 2: Convert to fraction form
    416,783.22/624,510.51 = 266,900.20/x
  3. Step 3: Cross multiply
    416,783.22x = 624,510.51 × 266,900.20
  4. Step 4: Simplify right side
    416,783.22x = 166,681,980,021.10
  5. Step 5: Solve for x
    x = 166,681,980,021.10/416,783.22
  6. Step 6: Final answer
    x = 399,924.88

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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.