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Finding the Fourth Proportional to 372,570.84, 514,148.04 and 202,805.28

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Solution

The fourth proportional to 372,570.84, 514,148.04 and 202,805.28 is: 279,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,570.84 : 514,148.04 = 202,805.28 : x
  2. Step 2: Convert to fraction form
    372,570.84/514,148.04 = 202,805.28/x
  3. Step 3: Cross multiply
    372,570.84x = 514,148.04 × 202,805.28
  4. Step 4: Simplify right side
    372,570.84x = 104,271,937,213.65
  5. Step 5: Solve for x
    x = 104,271,937,213.65/372,570.84
  6. Step 6: Final answer
    x = 279,871.44

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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.