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Finding the Fourth Proportional to 363,482.96, 545,335.64 and 186,115.44

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Solution

The fourth proportional to 363,482.96, 545,335.64 and 186,115.44 is: 279,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,482.96 : 545,335.64 = 186,115.44 : x
  2. Step 2: Convert to fraction form
    363,482.96/545,335.64 = 186,115.44/x
  3. Step 3: Cross multiply
    363,482.96x = 545,335.64 × 186,115.44
  4. Step 4: Simplify right side
    363,482.96x = 101,495,382,586.28
  5. Step 5: Solve for x
    x = 101,495,382,586.28/363,482.96
  6. Step 6: Final answer
    x = 279,230.10

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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.