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Finding the Fourth Proportional to 702,307.08, 969,180.66 and 380,022.93

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Solution

The fourth proportional to 702,307.08, 969,180.66 and 380,022.93 is: 524,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,307.08 : 969,180.66 = 380,022.93 : x
  2. Step 2: Convert to fraction form
    702,307.08/969,180.66 = 380,022.93/x
  3. Step 3: Cross multiply
    702,307.08x = 969,180.66 × 380,022.93
  4. Step 4: Simplify right side
    702,307.08x = 368,310,874,112.53
  5. Step 5: Solve for x
    x = 368,310,874,112.53/702,307.08
  6. Step 6: Final answer
    x = 524,429.96

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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.