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Finding the Fourth Proportional to 371,036.52, 556,636.44 and 211,187.70

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Solution

The fourth proportional to 371,036.52, 556,636.44 and 211,187.70 is: 316,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,036.52 : 556,636.44 = 211,187.70 : x
  2. Step 2: Convert to fraction form
    371,036.52/556,636.44 = 211,187.70/x
  3. Step 3: Cross multiply
    371,036.52x = 556,636.44 × 211,187.70
  4. Step 4: Simplify right side
    371,036.52x = 117,554,769,499.79
  5. Step 5: Solve for x
    x = 117,554,769,499.79/371,036.52
  6. Step 6: Final answer
    x = 316,828.03

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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.