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Finding the Fourth Proportional to 223,346.10, 311,984.70 and 223,346.10

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Solution

The fourth proportional to 223,346.10, 311,984.70 and 223,346.10 is: 311,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,346.10 : 311,984.70 = 223,346.10 : x
  2. Step 2: Convert to fraction form
    223,346.10/311,984.70 = 223,346.10/x
  3. Step 3: Cross multiply
    223,346.10x = 311,984.70 × 223,346.10
  4. Step 4: Simplify right side
    223,346.10x = 69,680,566,004.67
  5. Step 5: Solve for x
    x = 69,680,566,004.67/223,346.10
  6. Step 6: Final answer
    x = 311,984.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.