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Finding the Fourth Proportional to 481,547.36, 722,522.66 and 211,536.24

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Solution

The fourth proportional to 481,547.36, 722,522.66 and 211,536.24 is: 317,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,547.36 : 722,522.66 = 211,536.24 : x
  2. Step 2: Convert to fraction form
    481,547.36/722,522.66 = 211,536.24/x
  3. Step 3: Cross multiply
    481,547.36x = 722,522.66 × 211,536.24
  4. Step 4: Simplify right side
    481,547.36x = 152,839,725,753.52
  5. Step 5: Solve for x
    x = 152,839,725,753.52/481,547.36
  6. Step 6: Final answer
    x = 317,392.92

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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.