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Finding the Fourth Proportional to 333,810.78, 460,659.11 and 197,911.77

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Solution

The fourth proportional to 333,810.78, 460,659.11 and 197,911.77 is: 273,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,810.78 : 460,659.11 = 197,911.77 : x
  2. Step 2: Convert to fraction form
    333,810.78/460,659.11 = 197,911.77/x
  3. Step 3: Cross multiply
    333,810.78x = 460,659.11 × 197,911.77
  4. Step 4: Simplify right side
    333,810.78x = 91,169,858,837.17
  5. Step 5: Solve for x
    x = 91,169,858,837.17/333,810.78
  6. Step 6: Final answer
    x = 273,118.38

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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.