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Finding the Fourth Proportional to 514,192.32, 771,171.84 and 181,768.32

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Solution

The fourth proportional to 514,192.32, 771,171.84 and 181,768.32 is: 272,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,192.32 : 771,171.84 = 181,768.32 : x
  2. Step 2: Convert to fraction form
    514,192.32/771,171.84 = 181,768.32/x
  3. Step 3: Cross multiply
    514,192.32x = 771,171.84 × 181,768.32
  4. Step 4: Simplify right side
    514,192.32x = 140,174,609,788.11
  5. Step 5: Solve for x
    x = 140,174,609,788.11/514,192.32
  6. Step 6: Final answer
    x = 272,611.25

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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.