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Finding the Fourth Proportional to 358,571.04, 537,685 and 208,854.03

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Solution

The fourth proportional to 358,571.04, 537,685 and 208,854.03 is: 313,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571.04 : 537,685 = 208,854.03 : x
  2. Step 2: Convert to fraction form
    358,571.04/537,685 = 208,854.03/x
  3. Step 3: Cross multiply
    358,571.04x = 537,685 × 208,854.03
  4. Step 4: Simplify right side
    358,571.04x = 112,297,679,120.55
  5. Step 5: Solve for x
    x = 112,297,679,120.55/358,571.04
  6. Step 6: Final answer
    x = 313,181.12

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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.