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Finding the Fourth Proportional to 683,125.84, 942,710.04 and 396,716.32

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Solution

The fourth proportional to 683,125.84, 942,710.04 and 396,716.32 is: 547,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,125.84 : 942,710.04 = 396,716.32 : x
  2. Step 2: Convert to fraction form
    683,125.84/942,710.04 = 396,716.32/x
  3. Step 3: Cross multiply
    683,125.84x = 942,710.04 × 396,716.32
  4. Step 4: Simplify right side
    683,125.84x = 373,988,457,895.85
  5. Step 5: Solve for x
    x = 373,988,457,895.85/683,125.84
  6. Step 6: Final answer
    x = 547,466.42

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Double scale
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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.