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Finding the Fourth Proportional to 475,926.42, 713,659.99 and 276,297.06

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Solution

The fourth proportional to 475,926.42, 713,659.99 and 276,297.06 is: 414,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,926.42 : 713,659.99 = 276,297.06 : x
  2. Step 2: Convert to fraction form
    475,926.42/713,659.99 = 276,297.06/x
  3. Step 3: Cross multiply
    475,926.42x = 713,659.99 × 276,297.06
  4. Step 4: Simplify right side
    475,926.42x = 197,182,156,385.89
  5. Step 5: Solve for x
    x = 197,182,156,385.89/475,926.42
  6. Step 6: Final answer
    x = 414,312.27

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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.