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Finding the Fourth Proportional to 338,246.42, 507,411.32 and 110,536.63

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Solution

The fourth proportional to 338,246.42, 507,411.32 and 110,536.63 is: 165,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,246.42 : 507,411.32 = 110,536.63 : x
  2. Step 2: Convert to fraction form
    338,246.42/507,411.32 = 110,536.63/x
  3. Step 3: Cross multiply
    338,246.42x = 507,411.32 × 110,536.63
  4. Step 4: Simplify right side
    338,246.42x = 56,087,535,515.44
  5. Step 5: Solve for x
    x = 56,087,535,515.44/338,246.42
  6. Step 6: Final answer
    x = 165,818.57

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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.