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Finding the Fourth Proportional to 431,159.58, 595,018.61 and 240,173.06

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Solution

The fourth proportional to 431,159.58, 595,018.61 and 240,173.06 is: 331,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,159.58 : 595,018.61 = 240,173.06 : x
  2. Step 2: Convert to fraction form
    431,159.58/595,018.61 = 240,173.06/x
  3. Step 3: Cross multiply
    431,159.58x = 595,018.61 × 240,173.06
  4. Step 4: Simplify right side
    431,159.58x = 142,907,437,045.34
  5. Step 5: Solve for x
    x = 142,907,437,045.34/431,159.58
  6. Step 6: Final answer
    x = 331,449.06

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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.