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Finding the Fourth Proportional to 546,811.60, 820,217.40 and 334,235.20

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Solution

The fourth proportional to 546,811.60, 820,217.40 and 334,235.20 is: 501,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,811.60 : 820,217.40 = 334,235.20 : x
  2. Step 2: Convert to fraction form
    546,811.60/820,217.40 = 334,235.20/x
  3. Step 3: Cross multiply
    546,811.60x = 820,217.40 × 334,235.20
  4. Step 4: Simplify right side
    546,811.60x = 274,145,526,732.48
  5. Step 5: Solve for x
    x = 274,145,526,732.48/546,811.60
  6. Step 6: Final answer
    x = 501,352.80

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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.