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Finding the Fourth Proportional to 375,907.82, 518,750.53 and 203,824.06

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Solution

The fourth proportional to 375,907.82, 518,750.53 and 203,824.06 is: 281,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,907.82 : 518,750.53 = 203,824.06 : x
  2. Step 2: Convert to fraction form
    375,907.82/518,750.53 = 203,824.06/x
  3. Step 3: Cross multiply
    375,907.82x = 518,750.53 × 203,824.06
  4. Step 4: Simplify right side
    375,907.82x = 105,733,837,345.32
  5. Step 5: Solve for x
    x = 105,733,837,345.32/375,907.82
  6. Step 6: Final answer
    x = 281,275.98

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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.