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Finding the Fourth Proportional to 223,877.80, 335,816.70 and 211,047.40

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Solution

The fourth proportional to 223,877.80, 335,816.70 and 211,047.40 is: 316,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,877.80 : 335,816.70 = 211,047.40 : x
  2. Step 2: Convert to fraction form
    223,877.80/335,816.70 = 211,047.40/x
  3. Step 3: Cross multiply
    223,877.80x = 335,816.70 × 211,047.40
  4. Step 4: Simplify right side
    223,877.80x = 70,873,241,411.58
  5. Step 5: Solve for x
    x = 70,873,241,411.58/223,877.80
  6. Step 6: Final answer
    x = 316,571.10

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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.