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Finding the Fourth Proportional to 702,307.33, 969,181 and 380,023.14

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Solution

The fourth proportional to 702,307.33, 969,181 and 380,023.14 is: 524,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,307.33 : 969,181 = 380,023.14 : x
  2. Step 2: Convert to fraction form
    702,307.33/969,181 = 380,023.14/x
  3. Step 3: Cross multiply
    702,307.33x = 969,181 × 380,023.14
  4. Step 4: Simplify right side
    702,307.33x = 368,311,206,848.34
  5. Step 5: Solve for x
    x = 368,311,206,848.34/702,307.33
  6. Step 6: Final answer
    x = 524,430.25

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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.