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Finding the Fourth Proportional to 1,362,800.70, 2,041,904.70 and 1,077,397.20

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Solution

The fourth proportional to 1,362,800.70, 2,041,904.70 and 1,077,397.20 is: 1,614,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,800.70 : 2,041,904.70 = 1,077,397.20 : x
  2. Step 2: Convert to fraction form
    1,362,800.70/2,041,904.70 = 1,077,397.20/x
  3. Step 3: Cross multiply
    1,362,800.70x = 2,041,904.70 × 1,077,397.20
  4. Step 4: Simplify right side
    1,362,800.70x = 2,199,942,406,446.84
  5. Step 5: Solve for x
    x = 2,199,942,406,446.84/1,362,800.70
  6. Step 6: Final answer
    x = 1,614,280.36

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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.