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Finding the Fourth Proportional to 560,978.20, 841,208.10 and 245,272.60

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Solution

The fourth proportional to 560,978.20, 841,208.10 and 245,272.60 is: 367,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,978.20 : 841,208.10 = 245,272.60 : x
  2. Step 2: Convert to fraction form
    560,978.20/841,208.10 = 245,272.60/x
  3. Step 3: Cross multiply
    560,978.20x = 841,208.10 × 245,272.60
  4. Step 4: Simplify right side
    560,978.20x = 206,325,297,828.06
  5. Step 5: Solve for x
    x = 206,325,297,828.06/560,978.20
  6. Step 6: Final answer
    x = 367,795.57

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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.