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Finding the Fourth Proportional to 260,018, 390,027 and 63,026

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Solution

The fourth proportional to 260,018, 390,027 and 63,026 is: 94,539

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,018 : 390,027 = 63,026 : x
  2. Step 2: Convert to fraction form
    260,018/390,027 = 63,026/x
  3. Step 3: Cross multiply
    260,018x = 390,027 × 63,026
  4. Step 4: Simplify right side
    260,018x = 24,581,841,702
  5. Step 5: Solve for x
    x = 24,581,841,702/260,018
  6. Step 6: Final answer
    x = 94,539

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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.