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Finding the Fourth Proportional to 1,369,293.60, 2,053,940.40 and 1,369,293.60

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Solution

The fourth proportional to 1,369,293.60, 2,053,940.40 and 1,369,293.60 is: 2,053,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,293.60 : 2,053,940.40 = 1,369,293.60 : x
  2. Step 2: Convert to fraction form
    1,369,293.60/2,053,940.40 = 1,369,293.60/x
  3. Step 3: Cross multiply
    1,369,293.60x = 2,053,940.40 × 1,369,293.60
  4. Step 4: Simplify right side
    1,369,293.60x = 2,812,447,444,501.44
  5. Step 5: Solve for x
    x = 2,812,447,444,501.44/1,369,293.60
  6. Step 6: Final answer
    x = 2,053,940.40

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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.