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Finding the Fourth Proportional to 2,784,358.40, 4,173,038.40 and 1,361,350.40

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Solution

The fourth proportional to 2,784,358.40, 4,173,038.40 and 1,361,350.40 is: 2,040,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,358.40 : 4,173,038.40 = 1,361,350.40 : x
  2. Step 2: Convert to fraction form
    2,784,358.40/4,173,038.40 = 1,361,350.40/x
  3. Step 3: Cross multiply
    2,784,358.40x = 4,173,038.40 × 1,361,350.40
  4. Step 4: Simplify right side
    2,784,358.40x = 5,680,967,495,055.36
  5. Step 5: Solve for x
    x = 5,680,967,495,055.36/2,784,358.40
  6. Step 6: Final answer
    x = 2,040,314.74

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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.