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Finding the Fourth Proportional to 401,818.87, 602,658.93 and 113,650.65

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Solution

The fourth proportional to 401,818.87, 602,658.93 and 113,650.65 is: 170,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,818.87 : 602,658.93 = 113,650.65 : x
  2. Step 2: Convert to fraction form
    401,818.87/602,658.93 = 113,650.65/x
  3. Step 3: Cross multiply
    401,818.87x = 602,658.93 × 113,650.65
  4. Step 4: Simplify right side
    401,818.87x = 68,492,579,122.80
  5. Step 5: Solve for x
    x = 68,492,579,122.80/401,818.87
  6. Step 6: Final answer
    x = 170,456.35

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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.