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Finding the Fourth Proportional to 575,852.40, 863,778.60 and 347,529.60

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Solution

The fourth proportional to 575,852.40, 863,778.60 and 347,529.60 is: 521,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,852.40 : 863,778.60 = 347,529.60 : x
  2. Step 2: Convert to fraction form
    575,852.40/863,778.60 = 347,529.60/x
  3. Step 3: Cross multiply
    575,852.40x = 863,778.60 × 347,529.60
  4. Step 4: Simplify right side
    575,852.40x = 300,188,631,346.56
  5. Step 5: Solve for x
    x = 300,188,631,346.56/575,852.40
  6. Step 6: Final answer
    x = 521,294.40

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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.