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Finding the Fourth Proportional to 546,838.60, 820,519.26 and 297,520.36

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Solution

The fourth proportional to 546,838.60, 820,519.26 and 297,520.36 is: 446,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,838.60 : 820,519.26 = 297,520.36 : x
  2. Step 2: Convert to fraction form
    546,838.60/820,519.26 = 297,520.36/x
  3. Step 3: Cross multiply
    546,838.60x = 820,519.26 × 297,520.36
  4. Step 4: Simplify right side
    546,838.60x = 244,121,185,622.13
  5. Step 5: Solve for x
    x = 244,121,185,622.13/546,838.60
  6. Step 6: Final answer
    x = 446,422.74

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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.