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Finding the Fourth Proportional to 565,843.59, 849,139.28 and 266,409.80

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Solution

The fourth proportional to 565,843.59, 849,139.28 and 266,409.80 is: 399,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,843.59 : 849,139.28 = 266,409.80 : x
  2. Step 2: Convert to fraction form
    565,843.59/849,139.28 = 266,409.80/x
  3. Step 3: Cross multiply
    565,843.59x = 849,139.28 × 266,409.80
  4. Step 4: Simplify right side
    565,843.59x = 226,219,025,756.94
  5. Step 5: Solve for x
    x = 226,219,025,756.94/565,843.59
  6. Step 6: Final answer
    x = 399,790.74

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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.