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Finding the Fourth Proportional to 445,393.89, 614,645.25 and 241,445.19

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Solution

The fourth proportional to 445,393.89, 614,645.25 and 241,445.19 is: 333,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,393.89 : 614,645.25 = 241,445.19 : x
  2. Step 2: Convert to fraction form
    445,393.89/614,645.25 = 241,445.19/x
  3. Step 3: Cross multiply
    445,393.89x = 614,645.25 × 241,445.19
  4. Step 4: Simplify right side
    445,393.89x = 148,403,139,168.85
  5. Step 5: Solve for x
    x = 148,403,139,168.85/445,393.89
  6. Step 6: Final answer
    x = 333,195.27

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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.