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Finding the Fourth Proportional to 637,953.03, 957,116.66 and 188,685.72

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Solution

The fourth proportional to 637,953.03, 957,116.66 and 188,685.72 is: 283,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,953.03 : 957,116.66 = 188,685.72 : x
  2. Step 2: Convert to fraction form
    637,953.03/957,116.66 = 188,685.72/x
  3. Step 3: Cross multiply
    637,953.03x = 957,116.66 × 188,685.72
  4. Step 4: Simplify right side
    637,953.03x = 180,594,245,172.67
  5. Step 5: Solve for x
    x = 180,594,245,172.67/637,953.03
  6. Step 6: Final answer
    x = 283,083.92

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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.