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Finding the Fourth Proportional to 369,519.83, 509,901.29 and 214,447.01

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Solution

The fourth proportional to 369,519.83, 509,901.29 and 214,447.01 is: 295,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,519.83 : 509,901.29 = 214,447.01 : x
  2. Step 2: Convert to fraction form
    369,519.83/509,901.29 = 214,447.01/x
  3. Step 3: Cross multiply
    369,519.83x = 509,901.29 × 214,447.01
  4. Step 4: Simplify right side
    369,519.83x = 109,346,808,292.54
  5. Step 5: Solve for x
    x = 109,346,808,292.54/369,519.83
  6. Step 6: Final answer
    x = 295,915.94

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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.