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Finding the Fourth Proportional to 546,999.54, 820,074.36 and 354,467.25

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Solution

The fourth proportional to 546,999.54, 820,074.36 and 354,467.25 is: 531,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,999.54 : 820,074.36 = 354,467.25 : x
  2. Step 2: Convert to fraction form
    546,999.54/820,074.36 = 354,467.25/x
  3. Step 3: Cross multiply
    546,999.54x = 820,074.36 × 354,467.25
  4. Step 4: Simplify right side
    546,999.54x = 290,689,503,184.71
  5. Step 5: Solve for x
    x = 290,689,503,184.71/546,999.54
  6. Step 6: Final answer
    x = 531,425.50

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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.