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Finding the Fourth Proportional to 371,518.46, 512,701.41 and 210,369.14

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Solution

The fourth proportional to 371,518.46, 512,701.41 and 210,369.14 is: 290,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,518.46 : 512,701.41 = 210,369.14 : x
  2. Step 2: Convert to fraction form
    371,518.46/512,701.41 = 210,369.14/x
  3. Step 3: Cross multiply
    371,518.46x = 512,701.41 × 210,369.14
  4. Step 4: Simplify right side
    371,518.46x = 107,856,554,698.49
  5. Step 5: Solve for x
    x = 107,856,554,698.49/371,518.46
  6. Step 6: Final answer
    x = 290,312.77

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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.