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Finding the Fourth Proportional to 637,344.65, 956,043.35 and 188,065.50

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Solution

The fourth proportional to 637,344.65, 956,043.35 and 188,065.50 is: 282,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,344.65 : 956,043.35 = 188,065.50 : x
  2. Step 2: Convert to fraction form
    637,344.65/956,043.35 = 188,065.50/x
  3. Step 3: Cross multiply
    637,344.65x = 956,043.35 × 188,065.50
  4. Step 4: Simplify right side
    637,344.65x = 179,798,770,639.43
  5. Step 5: Solve for x
    x = 179,798,770,639.43/637,344.65
  6. Step 6: Final answer
    x = 282,106.03

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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.