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Finding the Fourth Proportional to 702,429.33, 969,354.18 and 380,141.76

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Solution

The fourth proportional to 702,429.33, 969,354.18 and 380,141.76 is: 524,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,429.33 : 969,354.18 = 380,141.76 : x
  2. Step 2: Convert to fraction form
    702,429.33/969,354.18 = 380,141.76/x
  3. Step 3: Cross multiply
    702,429.33x = 969,354.18 × 380,141.76
  4. Step 4: Simplify right side
    702,429.33x = 368,492,004,048.56
  5. Step 5: Solve for x
    x = 368,492,004,048.56/702,429.33
  6. Step 6: Final answer
    x = 524,596.55

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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.