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Finding the Fourth Proportional to 569,743.20, 854,080.20 and 214,995.60

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Solution

The fourth proportional to 569,743.20, 854,080.20 and 214,995.60 is: 322,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,743.20 : 854,080.20 = 214,995.60 : x
  2. Step 2: Convert to fraction form
    569,743.20/854,080.20 = 214,995.60/x
  3. Step 3: Cross multiply
    569,743.20x = 854,080.20 × 214,995.60
  4. Step 4: Simplify right side
    569,743.20x = 183,623,485,047.12
  5. Step 5: Solve for x
    x = 183,623,485,047.12/569,743.20
  6. Step 6: Final answer
    x = 322,291.67

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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.