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Finding the Fourth Proportional to 403,000.20, 604,500.30 and 181,816.20

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Solution

The fourth proportional to 403,000.20, 604,500.30 and 181,816.20 is: 272,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,000.20 : 604,500.30 = 181,816.20 : x
  2. Step 2: Convert to fraction form
    403,000.20/604,500.30 = 181,816.20/x
  3. Step 3: Cross multiply
    403,000.20x = 604,500.30 × 181,816.20
  4. Step 4: Simplify right side
    403,000.20x = 109,907,947,444.86
  5. Step 5: Solve for x
    x = 109,907,947,444.86/403,000.20
  6. Step 6: Final answer
    x = 272,724.30

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Similar ratio
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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.