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Finding the Fourth Proportional to 547,609.49, 820,072.88 and 452,256.29

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Solution

The fourth proportional to 547,609.49, 820,072.88 and 452,256.29 is: 677,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,609.49 : 820,072.88 = 452,256.29 : x
  2. Step 2: Convert to fraction form
    547,609.49/820,072.88 = 452,256.29/x
  3. Step 3: Cross multiply
    547,609.49x = 820,072.88 × 452,256.29
  4. Step 4: Simplify right side
    547,609.49x = 370,883,118,027.32
  5. Step 5: Solve for x
    x = 370,883,118,027.32/547,609.49
  6. Step 6: Final answer
    x = 677,276.64

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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.