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Finding the Fourth Proportional to 637,343.65, 956,041.85 and 188,064.50

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Solution

The fourth proportional to 637,343.65, 956,041.85 and 188,064.50 is: 282,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,343.65 : 956,041.85 = 188,064.50 : x
  2. Step 2: Convert to fraction form
    637,343.65/956,041.85 = 188,064.50/x
  3. Step 3: Cross multiply
    637,343.65x = 956,041.85 × 188,064.50
  4. Step 4: Simplify right side
    637,343.65x = 179,797,535,359.59
  5. Step 5: Solve for x
    x = 179,797,535,359.59/637,343.65
  6. Step 6: Final answer
    x = 282,104.54

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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.