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Finding the Fourth Proportional to 372,477.16, 514,002.54 and 202,710.88

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Solution

The fourth proportional to 372,477.16, 514,002.54 and 202,710.88 is: 279,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,477.16 : 514,002.54 = 202,710.88 : x
  2. Step 2: Convert to fraction form
    372,477.16/514,002.54 = 202,710.88/x
  3. Step 3: Cross multiply
    372,477.16x = 514,002.54 × 202,710.88
  4. Step 4: Simplify right side
    372,477.16x = 104,193,907,205.64
  5. Step 5: Solve for x
    x = 104,193,907,205.64/372,477.16
  6. Step 6: Final answer
    x = 279,732.34

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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.