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Finding the Fourth Proportional to 573,750.80, 860,626.20 and 415,235.60

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Solution

The fourth proportional to 573,750.80, 860,626.20 and 415,235.60 is: 622,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,750.80 : 860,626.20 = 415,235.60 : x
  2. Step 2: Convert to fraction form
    573,750.80/860,626.20 = 415,235.60/x
  3. Step 3: Cross multiply
    573,750.80x = 860,626.20 × 415,235.60
  4. Step 4: Simplify right side
    573,750.80x = 357,362,636,532.72
  5. Step 5: Solve for x
    x = 357,362,636,532.72/573,750.80
  6. Step 6: Final answer
    x = 622,853.40

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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.