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Finding the Fourth Proportional to 371,850.48, 513,152.12 and 210,736.16

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Solution

The fourth proportional to 371,850.48, 513,152.12 and 210,736.16 is: 290,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,850.48 : 513,152.12 = 210,736.16 : x
  2. Step 2: Convert to fraction form
    371,850.48/513,152.12 = 210,736.16/x
  3. Step 3: Cross multiply
    371,850.48x = 513,152.12 × 210,736.16
  4. Step 4: Simplify right side
    371,850.48x = 108,139,707,264.66
  5. Step 5: Solve for x
    x = 108,139,707,264.66/371,850.48
  6. Step 6: Final answer
    x = 290,815.03

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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.