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Finding the Fourth Proportional to 702,683.58, 969,702.24 and 380,393.59

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Solution

The fourth proportional to 702,683.58, 969,702.24 and 380,393.59 is: 524,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,683.58 : 969,702.24 = 380,393.59 : x
  2. Step 2: Convert to fraction form
    702,683.58/969,702.24 = 380,393.59/x
  3. Step 3: Cross multiply
    702,683.58x = 969,702.24 × 380,393.59
  4. Step 4: Simplify right side
    702,683.58x = 368,868,516,304.64
  5. Step 5: Solve for x
    x = 368,868,516,304.64/702,683.58
  6. Step 6: Final answer
    x = 524,942.56

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1.5x scale

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.