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Finding the Fourth Proportional to 335,356.61, 462,655.55 and 190,131.81

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Solution

The fourth proportional to 335,356.61, 462,655.55 and 190,131.81 is: 262,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,356.61 : 462,655.55 = 190,131.81 : x
  2. Step 2: Convert to fraction form
    335,356.61/462,655.55 = 190,131.81/x
  3. Step 3: Cross multiply
    335,356.61x = 462,655.55 × 190,131.81
  4. Step 4: Simplify right side
    335,356.61x = 87,965,534,798.93
  5. Step 5: Solve for x
    x = 87,965,534,798.93/335,356.61
  6. Step 6: Final answer
    x = 262,304.46

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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.