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Finding the Fourth Proportional to 565,857.36, 849,159.96 and 266,423.55

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Solution

The fourth proportional to 565,857.36, 849,159.96 and 266,423.55 is: 399,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,857.36 : 849,159.96 = 266,423.55 : x
  2. Step 2: Convert to fraction form
    565,857.36/849,159.96 = 266,423.55/x
  3. Step 3: Cross multiply
    565,857.36x = 849,159.96 × 266,423.55
  4. Step 4: Simplify right side
    565,857.36x = 226,236,211,061.06
  5. Step 5: Solve for x
    x = 226,236,211,061.06/565,857.36
  6. Step 6: Final answer
    x = 399,811.38

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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.