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Finding the Fourth Proportional to 431,159.83, 595,018.97 and 240,173.35

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Solution

The fourth proportional to 431,159.83, 595,018.97 and 240,173.35 is: 331,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,159.83 : 595,018.97 = 240,173.35 : x
  2. Step 2: Convert to fraction form
    431,159.83/595,018.97 = 240,173.35/x
  3. Step 3: Cross multiply
    431,159.83x = 595,018.97 × 240,173.35
  4. Step 4: Simplify right side
    431,159.83x = 142,907,699,338.45
  5. Step 5: Solve for x
    x = 142,907,699,338.45/431,159.83
  6. Step 6: Final answer
    x = 331,449.48

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1.5x scale

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.