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Finding the Fourth Proportional to 573,608.40, 860,412.60 and 349,659.60

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Solution

The fourth proportional to 573,608.40, 860,412.60 and 349,659.60 is: 524,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,608.40 : 860,412.60 = 349,659.60 : x
  2. Step 2: Convert to fraction form
    573,608.40/860,412.60 = 349,659.60/x
  3. Step 3: Cross multiply
    573,608.40x = 860,412.60 × 349,659.60
  4. Step 4: Simplify right side
    573,608.40x = 300,851,525,550.96
  5. Step 5: Solve for x
    x = 300,851,525,550.96/573,608.40
  6. Step 6: Final answer
    x = 524,489.40

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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.