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Finding the Fourth Proportional to 480,709.32, 720,555.50 and 181,060.25

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Solution

The fourth proportional to 480,709.32, 720,555.50 and 181,060.25 is: 271,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,709.32 : 720,555.50 = 181,060.25 : x
  2. Step 2: Convert to fraction form
    480,709.32/720,555.50 = 181,060.25/x
  3. Step 3: Cross multiply
    480,709.32x = 720,555.50 × 181,060.25
  4. Step 4: Simplify right side
    480,709.32x = 130,463,958,968.88
  5. Step 5: Solve for x
    x = 130,463,958,968.88/480,709.32
  6. Step 6: Final answer
    x = 271,398.85

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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.