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Finding the Fourth Proportional to 614,769.17, 848,386.37 and 342,854.60

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Solution

The fourth proportional to 614,769.17, 848,386.37 and 342,854.60 is: 473,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,769.17 : 848,386.37 = 342,854.60 : x
  2. Step 2: Convert to fraction form
    614,769.17/848,386.37 = 342,854.60/x
  3. Step 3: Cross multiply
    614,769.17x = 848,386.37 × 342,854.60
  4. Step 4: Simplify right side
    614,769.17x = 290,873,166,147.01
  5. Step 5: Solve for x
    x = 290,873,166,147.01/614,769.17
  6. Step 6: Final answer
    x = 473,142.09

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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.