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Finding the Fourth Proportional to 970,765.16, 1,456,803.83 and 339,684.44

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Solution

The fourth proportional to 970,765.16, 1,456,803.83 and 339,684.44 is: 509,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,765.16 : 1,456,803.83 = 339,684.44 : x
  2. Step 2: Convert to fraction form
    970,765.16/1,456,803.83 = 339,684.44/x
  3. Step 3: Cross multiply
    970,765.16x = 1,456,803.83 × 339,684.44
  4. Step 4: Simplify right side
    970,765.16x = 494,853,586,748.60
  5. Step 5: Solve for x
    x = 494,853,586,748.60/970,765.16
  6. Step 6: Final answer
    x = 509,756.23

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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.