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Finding the Fourth Proportional to 702,411.96, 969,330.92 and 380,121.96

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Solution

The fourth proportional to 702,411.96, 969,330.92 and 380,121.96 is: 524,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,411.96 : 969,330.92 = 380,121.96 : x
  2. Step 2: Convert to fraction form
    702,411.96/969,330.92 = 380,121.96/x
  3. Step 3: Cross multiply
    702,411.96x = 969,330.92 × 380,121.96
  4. Step 4: Simplify right side
    702,411.96x = 368,463,969,199.00
  5. Step 5: Solve for x
    x = 368,463,969,199.00/702,411.96
  6. Step 6: Final answer
    x = 524,569.61

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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.