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Finding the Fourth Proportional to 514,194.32, 771,174.84 and 181,770.32

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Solution

The fourth proportional to 514,194.32, 771,174.84 and 181,770.32 is: 272,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,194.32 : 771,174.84 = 181,770.32 : x
  2. Step 2: Convert to fraction form
    514,194.32/771,174.84 = 181,770.32/x
  3. Step 3: Cross multiply
    514,194.32x = 771,174.84 × 181,770.32
  4. Step 4: Simplify right side
    514,194.32x = 140,176,697,442.75
  5. Step 5: Solve for x
    x = 140,176,697,442.75/514,194.32
  6. Step 6: Final answer
    x = 272,614.25

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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.