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Finding the Fourth Proportional to 366,482.20, 505,751.10 and 223,248.28

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Solution

The fourth proportional to 366,482.20, 505,751.10 and 223,248.28 is: 308,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,482.20 : 505,751.10 = 223,248.28 : x
  2. Step 2: Convert to fraction form
    366,482.20/505,751.10 = 223,248.28/x
  3. Step 3: Cross multiply
    366,482.20x = 505,751.10 × 223,248.28
  4. Step 4: Simplify right side
    366,482.20x = 112,908,063,183.11
  5. Step 5: Solve for x
    x = 112,908,063,183.11/366,482.20
  6. Step 6: Final answer
    x = 308,086.08

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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.