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Finding the Fourth Proportional to 1,797,946.40, 2,696,919.60 and 732,407.60

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Solution

The fourth proportional to 1,797,946.40, 2,696,919.60 and 732,407.60 is: 1,098,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,946.40 : 2,696,919.60 = 732,407.60 : x
  2. Step 2: Convert to fraction form
    1,797,946.40/2,696,919.60 = 732,407.60/x
  3. Step 3: Cross multiply
    1,797,946.40x = 2,696,919.60 × 732,407.60
  4. Step 4: Simplify right side
    1,797,946.40x = 1,975,244,411,628.96
  5. Step 5: Solve for x
    x = 1,975,244,411,628.96/1,797,946.40
  6. Step 6: Final answer
    x = 1,098,611.40

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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.