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Finding the Fourth Proportional to 560,927.20, 841,131.60 and 245,221.60

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Solution

The fourth proportional to 560,927.20, 841,131.60 and 245,221.60 is: 367,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,927.20 : 841,131.60 = 245,221.60 : x
  2. Step 2: Convert to fraction form
    560,927.20/841,131.60 = 245,221.60/x
  3. Step 3: Cross multiply
    560,927.20x = 841,131.60 × 245,221.60
  4. Step 4: Simplify right side
    560,927.20x = 206,263,636,762.56
  5. Step 5: Solve for x
    x = 206,263,636,762.56/560,927.20
  6. Step 6: Final answer
    x = 367,719.09

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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.