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Finding the Fourth Proportional to 447,695.56, 617,824.02 and 246,498.76

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Solution

The fourth proportional to 447,695.56, 617,824.02 and 246,498.76 is: 340,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,695.56 : 617,824.02 = 246,498.76 : x
  2. Step 2: Convert to fraction form
    447,695.56/617,824.02 = 246,498.76/x
  3. Step 3: Cross multiply
    447,695.56x = 617,824.02 × 246,498.76
  4. Step 4: Simplify right side
    447,695.56x = 152,292,854,828.22
  5. Step 5: Solve for x
    x = 152,292,854,828.22/447,695.56
  6. Step 6: Final answer
    x = 340,170.57

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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.