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Finding the Fourth Proportional to 223,887.30, 335,830.95 and 211,056.90

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Solution

The fourth proportional to 223,887.30, 335,830.95 and 211,056.90 is: 316,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,887.30 : 335,830.95 = 211,056.90 : x
  2. Step 2: Convert to fraction form
    223,887.30/335,830.95 = 211,056.90/x
  3. Step 3: Cross multiply
    223,887.30x = 335,830.95 × 211,056.90
  4. Step 4: Simplify right side
    223,887.30x = 70,879,439,231.06
  5. Step 5: Solve for x
    x = 70,879,439,231.06/223,887.30
  6. Step 6: Final answer
    x = 316,585.35

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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.