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Finding the Fourth Proportional to 453,269.16, 679,790.70 and 133,357.37

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Solution

The fourth proportional to 453,269.16, 679,790.70 and 133,357.37 is: 200,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,269.16 : 679,790.70 = 133,357.37 : x
  2. Step 2: Convert to fraction form
    453,269.16/679,790.70 = 133,357.37/x
  3. Step 3: Cross multiply
    453,269.16x = 679,790.70 × 133,357.37
  4. Step 4: Simplify right side
    453,269.16x = 90,655,096,503.51
  5. Step 5: Solve for x
    x = 90,655,096,503.51/453,269.16
  6. Step 6: Final answer
    x = 200,002.79

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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.