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Finding the Fourth Proportional to 702,392.61, 969,293.88 and 380,096.85

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Solution

The fourth proportional to 702,392.61, 969,293.88 and 380,096.85 is: 524,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,392.61 : 969,293.88 = 380,096.85 : x
  2. Step 2: Convert to fraction form
    702,392.61/969,293.88 = 380,096.85/x
  3. Step 3: Cross multiply
    702,392.61x = 969,293.88 × 380,096.85
  4. Step 4: Simplify right side
    702,392.61x = 368,425,550,512.28
  5. Step 5: Solve for x
    x = 368,425,550,512.28/702,392.61
  6. Step 6: Final answer
    x = 524,529.37

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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.