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Finding the Fourth Proportional to 385,696.37, 576,198.98 and 249,652.11

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Solution

The fourth proportional to 385,696.37, 576,198.98 and 249,652.11 is: 372,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,696.37 : 576,198.98 = 249,652.11 : x
  2. Step 2: Convert to fraction form
    385,696.37/576,198.98 = 249,652.11/x
  3. Step 3: Cross multiply
    385,696.37x = 576,198.98 × 249,652.11
  4. Step 4: Simplify right side
    385,696.37x = 143,849,293,921.72
  5. Step 5: Solve for x
    x = 143,849,293,921.72/385,696.37
  6. Step 6: Final answer
    x = 372,959.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.