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Finding the Fourth Proportional to 544,512.38, 751,391.52 and 302,785.98

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Solution

The fourth proportional to 544,512.38, 751,391.52 and 302,785.98 is: 417,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,512.38 : 751,391.52 = 302,785.98 : x
  2. Step 2: Convert to fraction form
    544,512.38/751,391.52 = 302,785.98/x
  3. Step 3: Cross multiply
    544,512.38x = 751,391.52 × 302,785.98
  4. Step 4: Simplify right side
    544,512.38x = 227,510,817,746.89
  5. Step 5: Solve for x
    x = 227,510,817,746.89/544,512.38
  6. Step 6: Final answer
    x = 417,824.88

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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.