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Finding the Fourth Proportional to 536,469.65, 740,983.07 and 401,103.92

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Solution

The fourth proportional to 536,469.65, 740,983.07 and 401,103.92 is: 554,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,469.65 : 740,983.07 = 401,103.92 : x
  2. Step 2: Convert to fraction form
    536,469.65/740,983.07 = 401,103.92/x
  3. Step 3: Cross multiply
    536,469.65x = 740,983.07 × 401,103.92
  4. Step 4: Simplify right side
    536,469.65x = 297,211,212,717.82
  5. Step 5: Solve for x
    x = 297,211,212,717.82/536,469.65
  6. Step 6: Final answer
    x = 554,013.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.