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Finding the Fourth Proportional to 1,975,870.80, 2,956,807.80 and 1,346,014.80

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Solution

The fourth proportional to 1,975,870.80, 2,956,807.80 and 1,346,014.80 is: 2,014,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,870.80 : 2,956,807.80 = 1,346,014.80 : x
  2. Step 2: Convert to fraction form
    1,975,870.80/2,956,807.80 = 1,346,014.80/x
  3. Step 3: Cross multiply
    1,975,870.80x = 2,956,807.80 × 1,346,014.80
  4. Step 4: Simplify right side
    1,975,870.80x = 3,979,907,059,555.44
  5. Step 5: Solve for x
    x = 3,979,907,059,555.44/1,975,870.80
  6. Step 6: Final answer
    x = 2,014,254.71

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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.