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Finding the Fourth Proportional to 219,025.10, 306,842.50 and 219,025.10

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Solution

The fourth proportional to 219,025.10, 306,842.50 and 219,025.10 is: 306,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025.10 : 306,842.50 = 219,025.10 : x
  2. Step 2: Convert to fraction form
    219,025.10/306,842.50 = 219,025.10/x
  3. Step 3: Cross multiply
    219,025.10x = 306,842.50 × 219,025.10
  4. Step 4: Simplify right side
    219,025.10x = 67,206,209,246.75
  5. Step 5: Solve for x
    x = 67,206,209,246.75/219,025.10
  6. Step 6: Final answer
    x = 306,842.50

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1.5x scale

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.