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Finding the Fourth Proportional to 402,258.80, 602,513.40 and 244,211.60

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Solution

The fourth proportional to 402,258.80, 602,513.40 and 244,211.60 is: 365,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,258.80 : 602,513.40 = 244,211.60 : x
  2. Step 2: Convert to fraction form
    402,258.80/602,513.40 = 244,211.60/x
  3. Step 3: Cross multiply
    402,258.80x = 602,513.40 × 244,211.60
  4. Step 4: Simplify right side
    402,258.80x = 147,140,761,435.44
  5. Step 5: Solve for x
    x = 147,140,761,435.44/402,258.80
  6. Step 6: Final answer
    x = 365,786.31

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1.5x scale

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.