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Finding the Fourth Proportional to 612,795.72, 845,624.54 and 337,148.37

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Solution

The fourth proportional to 612,795.72, 845,624.54 and 337,148.37 is: 465,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,795.72 : 845,624.54 = 337,148.37 : x
  2. Step 2: Convert to fraction form
    612,795.72/845,624.54 = 337,148.37/x
  3. Step 3: Cross multiply
    612,795.72x = 845,624.54 × 337,148.37
  4. Step 4: Simplify right side
    612,795.72x = 285,100,933,607.26
  5. Step 5: Solve for x
    x = 285,100,933,607.26/612,795.72
  6. Step 6: Final answer
    x = 465,246.29

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1.5x scale

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.