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Finding the Fourth Proportional to 1,602,370, 2,211,270.60 and 886,978

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Solution

The fourth proportional to 1,602,370, 2,211,270.60 and 886,978 is: 1,224,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,370 : 2,211,270.60 = 886,978 : x
  2. Step 2: Convert to fraction form
    1,602,370/2,211,270.60 = 886,978/x
  3. Step 3: Cross multiply
    1,602,370x = 2,211,270.60 × 886,978
  4. Step 4: Simplify right side
    1,602,370x = 1,961,348,374,246.80
  5. Step 5: Solve for x
    x = 1,961,348,374,246.80/1,602,370
  6. Step 6: Final answer
    x = 1,224,029.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.