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Finding the Fourth Proportional to 374,546.94, 561,873.72 and 121,746.15

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Solution

The fourth proportional to 374,546.94, 561,873.72 and 121,746.15 is: 182,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,546.94 : 561,873.72 = 121,746.15 : x
  2. Step 2: Convert to fraction form
    374,546.94/561,873.72 = 121,746.15/x
  3. Step 3: Cross multiply
    374,546.94x = 561,873.72 × 121,746.15
  4. Step 4: Simplify right side
    374,546.94x = 68,405,962,196.18
  5. Step 5: Solve for x
    x = 68,405,962,196.18/374,546.94
  6. Step 6: Final answer
    x = 182,636.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.