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Finding the Fourth Proportional to 657,374.40, 986,450.40 and 236,595.60

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Solution

The fourth proportional to 657,374.40, 986,450.40 and 236,595.60 is: 355,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,374.40 : 986,450.40 = 236,595.60 : x
  2. Step 2: Convert to fraction form
    657,374.40/986,450.40 = 236,595.60/x
  3. Step 3: Cross multiply
    657,374.40x = 986,450.40 × 236,595.60
  4. Step 4: Simplify right side
    657,374.40x = 233,389,824,258.24
  5. Step 5: Solve for x
    x = 233,389,824,258.24/657,374.40
  6. Step 6: Final answer
    x = 355,033.33

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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.