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Finding the Fourth Proportional to 573,749.80, 860,624.70 and 415,234.60

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Solution

The fourth proportional to 573,749.80, 860,624.70 and 415,234.60 is: 622,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,749.80 : 860,624.70 = 415,234.60 : x
  2. Step 2: Convert to fraction form
    573,749.80/860,624.70 = 415,234.60/x
  3. Step 3: Cross multiply
    573,749.80x = 860,624.70 × 415,234.60
  4. Step 4: Simplify right side
    573,749.80x = 357,361,153,054.62
  5. Step 5: Solve for x
    x = 357,361,153,054.62/573,749.80
  6. Step 6: Final answer
    x = 622,851.90

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Similar ratio
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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.