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Finding the Fourth Proportional to 691,318.32, 954,454.08 and 529,869.12

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Solution

The fourth proportional to 691,318.32, 954,454.08 and 529,869.12 is: 731,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,318.32 : 954,454.08 = 529,869.12 : x
  2. Step 2: Convert to fraction form
    691,318.32/954,454.08 = 529,869.12/x
  3. Step 3: Cross multiply
    691,318.32x = 954,454.08 × 529,869.12
  4. Step 4: Simplify right side
    691,318.32x = 505,735,743,450.01
  5. Step 5: Solve for x
    x = 505,735,743,450.01/691,318.32
  6. Step 6: Final answer
    x = 731,552.64

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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.