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Finding the Fourth Proportional to 405,011.99, 558,893.38 and 241,852.60

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Solution

The fourth proportional to 405,011.99, 558,893.38 and 241,852.60 is: 333,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,011.99 : 558,893.38 = 241,852.60 : x
  2. Step 2: Convert to fraction form
    405,011.99/558,893.38 = 241,852.60/x
  3. Step 3: Cross multiply
    405,011.99x = 558,893.38 × 241,852.60
  4. Step 4: Simplify right side
    405,011.99x = 135,169,818,076.72
  5. Step 5: Solve for x
    x = 135,169,818,076.72/405,011.99
  6. Step 6: Final answer
    x = 333,742.76

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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.