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Finding the Fourth Proportional to 514,193.32, 771,173.34 and 181,769.32

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Solution

The fourth proportional to 514,193.32, 771,173.34 and 181,769.32 is: 272,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,193.32 : 771,173.34 = 181,769.32 : x
  2. Step 2: Convert to fraction form
    514,193.32/771,173.34 = 181,769.32/x
  3. Step 3: Cross multiply
    514,193.32x = 771,173.34 × 181,769.32
  4. Step 4: Simplify right side
    514,193.32x = 140,175,653,613.93
  5. Step 5: Solve for x
    x = 140,175,653,613.93/514,193.32
  6. Step 6: Final answer
    x = 272,612.75

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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.