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Finding the Fourth Proportional to 446,203.06, 615,756.81 and 242,249.94

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Solution

The fourth proportional to 446,203.06, 615,756.81 and 242,249.94 is: 334,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,203.06 : 615,756.81 = 242,249.94 : x
  2. Step 2: Convert to fraction form
    446,203.06/615,756.81 = 242,249.94/x
  3. Step 3: Cross multiply
    446,203.06x = 615,756.81 × 242,249.94
  4. Step 4: Simplify right side
    446,203.06x = 149,167,045,987.06
  5. Step 5: Solve for x
    x = 149,167,045,987.06/446,203.06
  6. Step 6: Final answer
    x = 334,303.05

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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.