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Finding the Fourth Proportional to 614,503.13, 848,064.83 and 338,914.89

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Solution

The fourth proportional to 614,503.13, 848,064.83 and 338,914.89 is: 467,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,503.13 : 848,064.83 = 338,914.89 : x
  2. Step 2: Convert to fraction form
    614,503.13/848,064.83 = 338,914.89/x
  3. Step 3: Cross multiply
    614,503.13x = 848,064.83 × 338,914.89
  4. Step 4: Simplify right side
    614,503.13x = 287,421,796,877.74
  5. Step 5: Solve for x
    x = 287,421,796,877.74/614,503.13
  6. Step 6: Final answer
    x = 467,730.41

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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.