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Finding the Fourth Proportional to 612,840.08, 845,725.77 and 337,201.51

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Solution

The fourth proportional to 612,840.08, 845,725.77 and 337,201.51 is: 465,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,840.08 : 845,725.77 = 337,201.51 : x
  2. Step 2: Convert to fraction form
    612,840.08/845,725.77 = 337,201.51/x
  3. Step 3: Cross multiply
    612,840.08x = 845,725.77 × 337,201.51
  4. Step 4: Simplify right side
    612,840.08x = 285,180,006,689.91
  5. Step 5: Solve for x
    x = 285,180,006,689.91/612,840.08
  6. Step 6: Final answer
    x = 465,341.64

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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.