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Finding the Fourth Proportional to 376,106.52, 519,071.58 and 225,200.28

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Solution

The fourth proportional to 376,106.52, 519,071.58 and 225,200.28 is: 310,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,106.52 : 519,071.58 = 225,200.28 : x
  2. Step 2: Convert to fraction form
    376,106.52/519,071.58 = 225,200.28/x
  3. Step 3: Cross multiply
    376,106.52x = 519,071.58 × 225,200.28
  4. Step 4: Simplify right side
    376,106.52x = 116,895,065,156.04
  5. Step 5: Solve for x
    x = 116,895,065,156.04/376,106.52
  6. Step 6: Final answer
    x = 310,803.08

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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.