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Finding the Fourth Proportional to 614,797.52, 848,418.93 and 342,865.71

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Solution

The fourth proportional to 614,797.52, 848,418.93 and 342,865.71 is: 473,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,797.52 : 848,418.93 = 342,865.71 : x
  2. Step 2: Convert to fraction form
    614,797.52/848,418.93 = 342,865.71/x
  3. Step 3: Cross multiply
    614,797.52x = 848,418.93 × 342,865.71
  4. Step 4: Simplify right side
    614,797.52x = 290,893,758,811.89
  5. Step 5: Solve for x
    x = 290,893,758,811.89/614,797.52
  6. Step 6: Final answer
    x = 473,153.76

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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.