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Finding the Fourth Proportional to 524,323.43, 785,939.76 and 355,857.50

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Solution

The fourth proportional to 524,323.43, 785,939.76 and 355,857.50 is: 533,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,323.43 : 785,939.76 = 355,857.50 : x
  2. Step 2: Convert to fraction form
    524,323.43/785,939.76 = 355,857.50/x
  3. Step 3: Cross multiply
    524,323.43x = 785,939.76 × 355,857.50
  4. Step 4: Simplify right side
    524,323.43x = 279,682,560,109.05
  5. Step 5: Solve for x
    x = 279,682,560,109.05/524,323.43
  6. Step 6: Final answer
    x = 533,416.10

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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.