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Finding the Fourth Proportional to 575,844.40, 863,766.60 and 347,521.60

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Solution

The fourth proportional to 575,844.40, 863,766.60 and 347,521.60 is: 521,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,844.40 : 863,766.60 = 347,521.60 : x
  2. Step 2: Convert to fraction form
    575,844.40/863,766.60 = 347,521.60/x
  3. Step 3: Cross multiply
    575,844.40x = 863,766.60 × 347,521.60
  4. Step 4: Simplify right side
    575,844.40x = 300,177,550,858.56
  5. Step 5: Solve for x
    x = 300,177,550,858.56/575,844.40
  6. Step 6: Final answer
    x = 521,282.40

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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.