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Finding the Fourth Proportional to 3,323,378.81, 4,985,069.74 and 1,049,133.62

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Solution

The fourth proportional to 3,323,378.81, 4,985,069.74 and 1,049,133.62 is: 1,573,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323,378.81 : 4,985,069.74 = 1,049,133.62 : x
  2. Step 2: Convert to fraction form
    3,323,378.81/4,985,069.74 = 1,049,133.62/x
  3. Step 3: Cross multiply
    3,323,378.81x = 4,985,069.74 × 1,049,133.62
  4. Step 4: Simplify right side
    3,323,378.81x = 5,230,004,272,118.50
  5. Step 5: Solve for x
    x = 5,230,004,272,118.50/3,323,378.81
  6. Step 6: Final answer
    x = 1,573,700.91

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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.