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Finding the Fourth Proportional to 446,986.48, 666,268.96 and 411,114.22

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Solution

The fourth proportional to 446,986.48, 666,268.96 and 411,114.22 is: 612,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,986.48 : 666,268.96 = 411,114.22 : x
  2. Step 2: Convert to fraction form
    446,986.48/666,268.96 = 411,114.22/x
  3. Step 3: Cross multiply
    446,986.48x = 666,268.96 × 411,114.22
  4. Step 4: Simplify right side
    446,986.48x = 273,912,643,800.61
  5. Step 5: Solve for x
    x = 273,912,643,800.61/446,986.48
  6. Step 6: Final answer
    x = 612,798.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.