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Finding the Fourth Proportional to 476,183.36, 714,275.40 and 143,759.36

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Solution

The fourth proportional to 476,183.36, 714,275.40 and 143,759.36 is: 215,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,183.36 : 714,275.40 = 143,759.36 : x
  2. Step 2: Convert to fraction form
    476,183.36/714,275.40 = 143,759.36/x
  3. Step 3: Cross multiply
    476,183.36x = 714,275.40 × 143,759.36
  4. Step 4: Simplify right side
    476,183.36x = 102,683,774,367.74
  5. Step 5: Solve for x
    x = 102,683,774,367.74/476,183.36
  6. Step 6: Final answer
    x = 215,639.15

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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.