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Finding the Fourth Proportional to 439,248.14, 605,709.87 and 375,795.98

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Solution

The fourth proportional to 439,248.14, 605,709.87 and 375,795.98 is: 518,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,248.14 : 605,709.87 = 375,795.98 : x
  2. Step 2: Convert to fraction form
    439,248.14/605,709.87 = 375,795.98/x
  3. Step 3: Cross multiply
    439,248.14x = 605,709.87 × 375,795.98
  4. Step 4: Simplify right side
    439,248.14x = 227,623,334,192.32
  5. Step 5: Solve for x
    x = 227,623,334,192.32/439,248.14
  6. Step 6: Final answer
    x = 518,211.26

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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.