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Finding the Fourth Proportional to 544,448.15, 751,333.78 and 302,728.61

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Solution

The fourth proportional to 544,448.15, 751,333.78 and 302,728.61 is: 417,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,448.15 : 751,333.78 = 302,728.61 : x
  2. Step 2: Convert to fraction form
    544,448.15/751,333.78 = 302,728.61/x
  3. Step 3: Cross multiply
    544,448.15x = 751,333.78 × 302,728.61
  4. Step 4: Simplify right side
    544,448.15x = 227,450,230,865.45
  5. Step 5: Solve for x
    x = 227,450,230,865.45/544,448.15
  6. Step 6: Final answer
    x = 417,762.89

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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.