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Finding the Fourth Proportional to 922,289.96, 1,374,266.52 and 821,677.03

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Solution

The fourth proportional to 922,289.96, 1,374,266.52 and 821,677.03 is: 1,224,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,289.96 : 1,374,266.52 = 821,677.03 : x
  2. Step 2: Convert to fraction form
    922,289.96/1,374,266.52 = 821,677.03/x
  3. Step 3: Cross multiply
    922,289.96x = 1,374,266.52 × 821,677.03
  4. Step 4: Simplify right side
    922,289.96x = 1,129,203,229,146.37
  5. Step 5: Solve for x
    x = 1,129,203,229,146.37/922,289.96
  6. Step 6: Final answer
    x = 1,224,347.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.