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Finding the Fourth Proportional to 488,228.51, 673,305.72 and 334,996.36

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Solution

The fourth proportional to 488,228.51, 673,305.72 and 334,996.36 is: 461,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,228.51 : 673,305.72 = 334,996.36 : x
  2. Step 2: Convert to fraction form
    488,228.51/673,305.72 = 334,996.36/x
  3. Step 3: Cross multiply
    488,228.51x = 673,305.72 × 334,996.36
  4. Step 4: Simplify right side
    488,228.51x = 225,554,962,427.68
  5. Step 5: Solve for x
    x = 225,554,962,427.68/488,228.51
  6. Step 6: Final answer
    x = 461,986.46

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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.