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Finding the Fourth Proportional to 614,670.40, 848,224.19 and 339,039.18

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Solution

The fourth proportional to 614,670.40, 848,224.19 and 339,039.18 is: 467,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,670.40 : 848,224.19 = 339,039.18 : x
  2. Step 2: Convert to fraction form
    614,670.40/848,224.19 = 339,039.18/x
  3. Step 3: Cross multiply
    614,670.40x = 848,224.19 × 339,039.18
  4. Step 4: Simplify right side
    614,670.40x = 287,581,234,681.36
  5. Step 5: Solve for x
    x = 287,581,234,681.36/614,670.40
  6. Step 6: Final answer
    x = 467,862.51

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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.