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Finding the Fourth Proportional to 369,889.26, 509,982.45 and 301,837.11

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Solution

The fourth proportional to 369,889.26, 509,982.45 and 301,837.11 is: 416,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,889.26 : 509,982.45 = 301,837.11 : x
  2. Step 2: Convert to fraction form
    369,889.26/509,982.45 = 301,837.11/x
  3. Step 3: Cross multiply
    369,889.26x = 509,982.45 × 301,837.11
  4. Step 4: Simplify right side
    369,889.26x = 153,931,628,858.72
  5. Step 5: Solve for x
    x = 153,931,628,858.72/369,889.26
  6. Step 6: Final answer
    x = 416,155.98

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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.