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Finding the Fourth Proportional to 353,536.66, 530,354.82 and 113,570.08

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Solution

The fourth proportional to 353,536.66, 530,354.82 and 113,570.08 is: 170,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,536.66 : 530,354.82 = 113,570.08 : x
  2. Step 2: Convert to fraction form
    353,536.66/530,354.82 = 113,570.08/x
  3. Step 3: Cross multiply
    353,536.66x = 530,354.82 × 113,570.08
  4. Step 4: Simplify right side
    353,536.66x = 60,232,439,335.79
  5. Step 5: Solve for x
    x = 60,232,439,335.79/353,536.66
  6. Step 6: Final answer
    x = 170,371.13

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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.