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Finding the Fourth Proportional to 518,358.84, 777,514.16 and 181,475.07

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Solution

The fourth proportional to 518,358.84, 777,514.16 and 181,475.07 is: 272,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,358.84 : 777,514.16 = 181,475.07 : x
  2. Step 2: Convert to fraction form
    518,358.84/777,514.16 = 181,475.07/x
  3. Step 3: Cross multiply
    518,358.84x = 777,514.16 × 181,475.07
  4. Step 4: Simplify right side
    518,358.84x = 141,099,431,817.05
  5. Step 5: Solve for x
    x = 141,099,431,817.05/518,358.84
  6. Step 6: Final answer
    x = 272,204.16

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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.