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Finding the Fourth Proportional to 612,944.08, 845,860.23 and 341,038

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Solution

The fourth proportional to 612,944.08, 845,860.23 and 341,038 is: 470,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,944.08 : 845,860.23 = 341,038 : x
  2. Step 2: Convert to fraction form
    612,944.08/845,860.23 = 341,038/x
  3. Step 3: Cross multiply
    612,944.08x = 845,860.23 × 341,038
  4. Step 4: Simplify right side
    612,944.08x = 288,470,481,118.74
  5. Step 5: Solve for x
    x = 288,470,481,118.74/612,944.08
  6. Step 6: Final answer
    x = 470,630.99

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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.