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Finding the Fourth Proportional to 451,316, 622,816.08 and 250,124.96

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Solution

The fourth proportional to 451,316, 622,816.08 and 250,124.96 is: 345,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,316 : 622,816.08 = 250,124.96 : x
  2. Step 2: Convert to fraction form
    451,316/622,816.08 = 250,124.96/x
  3. Step 3: Cross multiply
    451,316x = 622,816.08 × 250,124.96
  4. Step 4: Simplify right side
    451,316x = 155,781,847,097.36
  5. Step 5: Solve for x
    x = 155,781,847,097.36/451,316
  6. Step 6: Final answer
    x = 345,172.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.