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Finding the Fourth Proportional to 2,984,950.50, 4,119,342.93 and 1,696,009.20

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Solution

The fourth proportional to 2,984,950.50, 4,119,342.93 and 1,696,009.20 is: 2,340,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,950.50 : 4,119,342.93 = 1,696,009.20 : x
  2. Step 2: Convert to fraction form
    2,984,950.50/4,119,342.93 = 1,696,009.20/x
  3. Step 3: Cross multiply
    2,984,950.50x = 4,119,342.93 × 1,696,009.20
  4. Step 4: Simplify right side
    2,984,950.50x = 6,986,443,507,234.96
  5. Step 5: Solve for x
    x = 6,986,443,507,234.96/2,984,950.50
  6. Step 6: Final answer
    x = 2,340,555.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.