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Finding the Fourth Proportional to 507,627.29, 700,501.61 and 303,790.37

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Solution

The fourth proportional to 507,627.29, 700,501.61 and 303,790.37 is: 419,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,627.29 : 700,501.61 = 303,790.37 : x
  2. Step 2: Convert to fraction form
    507,627.29/700,501.61 = 303,790.37/x
  3. Step 3: Cross multiply
    507,627.29x = 700,501.61 × 303,790.37
  4. Step 4: Simplify right side
    507,627.29x = 212,805,638,266.04
  5. Step 5: Solve for x
    x = 212,805,638,266.04/507,627.29
  6. Step 6: Final answer
    x = 419,216.31

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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.