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Finding the Fourth Proportional to 223,478.70, 335,218.05 and 223,478.70

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Solution

The fourth proportional to 223,478.70, 335,218.05 and 223,478.70 is: 335,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,478.70 : 335,218.05 = 223,478.70 : x
  2. Step 2: Convert to fraction form
    223,478.70/335,218.05 = 223,478.70/x
  3. Step 3: Cross multiply
    223,478.70x = 335,218.05 × 223,478.70
  4. Step 4: Simplify right side
    223,478.70x = 74,914,094,030.54
  5. Step 5: Solve for x
    x = 74,914,094,030.54/223,478.70
  6. Step 6: Final answer
    x = 335,218.05

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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.