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Finding the Fourth Proportional to 209,318.30, 293,570.50 and 209,318.30

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Solution

The fourth proportional to 209,318.30, 293,570.50 and 209,318.30 is: 293,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,318.30 : 293,570.50 = 209,318.30 : x
  2. Step 2: Convert to fraction form
    209,318.30/293,570.50 = 209,318.30/x
  3. Step 3: Cross multiply
    209,318.30x = 293,570.50 × 209,318.30
  4. Step 4: Simplify right side
    209,318.30x = 61,449,677,990.15
  5. Step 5: Solve for x
    x = 61,449,677,990.15/209,318.30
  6. Step 6: Final answer
    x = 293,570.50

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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.