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Finding the Fourth Proportional to 614,772.67, 848,384.63 and 342,840.87

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Solution

The fourth proportional to 614,772.67, 848,384.63 and 342,840.87 is: 473,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,772.67 : 848,384.63 = 342,840.87 : x
  2. Step 2: Convert to fraction form
    614,772.67/848,384.63 = 342,840.87/x
  3. Step 3: Cross multiply
    614,772.67x = 848,384.63 × 342,840.87
  4. Step 4: Simplify right side
    614,772.67x = 290,860,926,143.76
  5. Step 5: Solve for x
    x = 290,860,926,143.76/614,772.67
  6. Step 6: Final answer
    x = 473,119.48

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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.