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Finding the Fourth Proportional to 671,994.92, 927,352.60 and 370,188.92

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Solution

The fourth proportional to 671,994.92, 927,352.60 and 370,188.92 is: 510,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,994.92 : 927,352.60 = 370,188.92 : x
  2. Step 2: Convert to fraction form
    671,994.92/927,352.60 = 370,188.92/x
  3. Step 3: Cross multiply
    671,994.92x = 927,352.60 × 370,188.92
  4. Step 4: Simplify right side
    671,994.92x = 343,295,658,846.10
  5. Step 5: Solve for x
    x = 343,295,658,846.10/671,994.92
  6. Step 6: Final answer
    x = 510,860.50

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Double scale
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Similar ratio
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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.