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Finding the Fourth Proportional to 416,231.10, 624,346.65 and 150,000.30

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Solution

The fourth proportional to 416,231.10, 624,346.65 and 150,000.30 is: 225,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,231.10 : 624,346.65 = 150,000.30 : x
  2. Step 2: Convert to fraction form
    416,231.10/624,346.65 = 150,000.30/x
  3. Step 3: Cross multiply
    416,231.10x = 624,346.65 × 150,000.30
  4. Step 4: Simplify right side
    416,231.10x = 93,652,184,804.00
  5. Step 5: Solve for x
    x = 93,652,184,804.00/416,231.10
  6. Step 6: Final answer
    x = 225,000.45

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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.