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Finding the Fourth Proportional to 614,754.22, 848,364.47 and 342,839.29

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Solution

The fourth proportional to 614,754.22, 848,364.47 and 342,839.29 is: 473,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,754.22 : 848,364.47 = 342,839.29 : x
  2. Step 2: Convert to fraction form
    614,754.22/848,364.47 = 342,839.29/x
  3. Step 3: Cross multiply
    614,754.22x = 848,364.47 × 342,839.29
  4. Step 4: Simplify right side
    614,754.22x = 290,852,670,841.83
  5. Step 5: Solve for x
    x = 290,852,670,841.83/614,754.22
  6. Step 6: Final answer
    x = 473,120.25

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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.