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Finding the Fourth Proportional to 552,562.37, 762,580.36 and 310,830.53

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Solution

The fourth proportional to 552,562.37, 762,580.36 and 310,830.53 is: 428,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,562.37 : 762,580.36 = 310,830.53 : x
  2. Step 2: Convert to fraction form
    552,562.37/762,580.36 = 310,830.53/x
  3. Step 3: Cross multiply
    552,562.37x = 762,580.36 × 310,830.53
  4. Step 4: Simplify right side
    552,562.37x = 237,033,254,042.03
  5. Step 5: Solve for x
    x = 237,033,254,042.03/552,562.37
  6. Step 6: Final answer
    x = 428,971.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.