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Finding the Fourth Proportional to 614,955.47, 848,639.84 and 343,016.37

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Solution

The fourth proportional to 614,955.47, 848,639.84 and 343,016.37 is: 473,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,955.47 : 848,639.84 = 343,016.37 : x
  2. Step 2: Convert to fraction form
    614,955.47/848,639.84 = 343,016.37/x
  3. Step 3: Cross multiply
    614,955.47x = 848,639.84 × 343,016.37
  4. Step 4: Simplify right side
    614,955.47x = 291,097,355,639.10
  5. Step 5: Solve for x
    x = 291,097,355,639.10/614,955.47
  6. Step 6: Final answer
    x = 473,363.31

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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.