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Finding the Fourth Proportional to 569,016.28, 785,258.40 and 314,383.96

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Solution

The fourth proportional to 569,016.28, 785,258.40 and 314,383.96 is: 433,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,016.28 : 785,258.40 = 314,383.96 : x
  2. Step 2: Convert to fraction form
    569,016.28/785,258.40 = 314,383.96/x
  3. Step 3: Cross multiply
    569,016.28x = 785,258.40 × 314,383.96
  4. Step 4: Simplify right side
    569,016.28x = 246,872,645,415.26
  5. Step 5: Solve for x
    x = 246,872,645,415.26/569,016.28
  6. Step 6: Final answer
    x = 433,858.67

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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.