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Finding the Fourth Proportional to 371,842.44, 513,141.06 and 210,728.16

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Solution

The fourth proportional to 371,842.44, 513,141.06 and 210,728.16 is: 290,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,842.44 : 513,141.06 = 210,728.16 : x
  2. Step 2: Convert to fraction form
    371,842.44/513,141.06 = 210,728.16/x
  3. Step 3: Cross multiply
    371,842.44x = 513,141.06 × 210,728.16
  4. Step 4: Simplify right side
    371,842.44x = 108,133,271,394.25
  5. Step 5: Solve for x
    x = 108,133,271,394.25/371,842.44
  6. Step 6: Final answer
    x = 290,804.01

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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.