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Finding the Fourth Proportional to 265,328.33, 397,995.56 and 113,504.76

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Solution

The fourth proportional to 265,328.33, 397,995.56 and 113,504.76 is: 170,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,328.33 : 397,995.56 = 113,504.76 : x
  2. Step 2: Convert to fraction form
    265,328.33/397,995.56 = 113,504.76/x
  3. Step 3: Cross multiply
    265,328.33x = 397,995.56 × 113,504.76
  4. Step 4: Simplify right side
    265,328.33x = 45,174,390,518.87
  5. Step 5: Solve for x
    x = 45,174,390,518.87/265,328.33
  6. Step 6: Final answer
    x = 170,258.45

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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.