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Finding the Fourth Proportional to 3,596,980.40, 5,393,915.40 and 1,799,169.20

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Solution

The fourth proportional to 3,596,980.40, 5,393,915.40 and 1,799,169.20 is: 2,697,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596,980.40 : 5,393,915.40 = 1,799,169.20 : x
  2. Step 2: Convert to fraction form
    3,596,980.40/5,393,915.40 = 1,799,169.20/x
  3. Step 3: Cross multiply
    3,596,980.40x = 5,393,915.40 × 1,799,169.20
  4. Step 4: Simplify right side
    3,596,980.40x = 9,704,566,455,085.68
  5. Step 5: Solve for x
    x = 9,704,566,455,085.68/3,596,980.40
  6. Step 6: Final answer
    x = 2,697,975.91

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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.