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Finding the Fourth Proportional to 988,673.20, 1,483,009.80 and 894,194.80

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Solution

The fourth proportional to 988,673.20, 1,483,009.80 and 894,194.80 is: 1,341,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,673.20 : 1,483,009.80 = 894,194.80 : x
  2. Step 2: Convert to fraction form
    988,673.20/1,483,009.80 = 894,194.80/x
  3. Step 3: Cross multiply
    988,673.20x = 1,483,009.80 × 894,194.80
  4. Step 4: Simplify right side
    988,673.20x = 1,326,099,651,509.04
  5. Step 5: Solve for x
    x = 1,326,099,651,509.04/988,673.20
  6. Step 6: Final answer
    x = 1,341,292.20

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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.