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Finding the Fourth Proportional to 717,361.24, 1,075,640.08 and 332,697.64

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Solution

The fourth proportional to 717,361.24, 1,075,640.08 and 332,697.64 is: 498,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,361.24 : 1,075,640.08 = 332,697.64 : x
  2. Step 2: Convert to fraction form
    717,361.24/1,075,640.08 = 332,697.64/x
  3. Step 3: Cross multiply
    717,361.24x = 1,075,640.08 × 332,697.64
  4. Step 4: Simplify right side
    717,361.24x = 357,862,916,105.41
  5. Step 5: Solve for x
    x = 357,862,916,105.41/717,361.24
  6. Step 6: Final answer
    x = 498,860.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.