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Finding the Fourth Proportional to 673,800.51, 929,845.26 and 371,994.51

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Solution

The fourth proportional to 673,800.51, 929,845.26 and 371,994.51 is: 513,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,800.51 : 929,845.26 = 371,994.51 : x
  2. Step 2: Convert to fraction form
    673,800.51/929,845.26 = 371,994.51/x
  3. Step 3: Cross multiply
    673,800.51x = 929,845.26 × 371,994.51
  4. Step 4: Simplify right side
    673,800.51x = 345,897,331,869.52
  5. Step 5: Solve for x
    x = 345,897,331,869.52/673,800.51
  6. Step 6: Final answer
    x = 513,352.73

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Double scale
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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.