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Finding the Fourth Proportional to 446,242.89, 669,364.32 and 113,818.89

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Solution

The fourth proportional to 446,242.89, 669,364.32 and 113,818.89 is: 170,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,242.89 : 669,364.32 = 113,818.89 : x
  2. Step 2: Convert to fraction form
    446,242.89/669,364.32 = 113,818.89/x
  3. Step 3: Cross multiply
    446,242.89x = 669,364.32 × 113,818.89
  4. Step 4: Simplify right side
    446,242.89x = 76,186,303,908.00
  5. Step 5: Solve for x
    x = 76,186,303,908.00/446,242.89
  6. Step 6: Final answer
    x = 170,728.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.