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Finding the Fourth Proportional to 546,454.80, 820,200.60 and 336,502.80

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Solution

The fourth proportional to 546,454.80, 820,200.60 and 336,502.80 is: 505,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,454.80 : 820,200.60 = 336,502.80 : x
  2. Step 2: Convert to fraction form
    546,454.80/820,200.60 = 336,502.80/x
  3. Step 3: Cross multiply
    546,454.80x = 820,200.60 × 336,502.80
  4. Step 4: Simplify right side
    546,454.80x = 275,999,798,461.68
  5. Step 5: Solve for x
    x = 275,999,798,461.68/546,454.80
  6. Step 6: Final answer
    x = 505,073.43

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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.