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Finding the Fourth Proportional to 453,259.72, 679,887.06 and 116,299.72

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Solution

The fourth proportional to 453,259.72, 679,887.06 and 116,299.72 is: 174,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,259.72 : 679,887.06 = 116,299.72 : x
  2. Step 2: Convert to fraction form
    453,259.72/679,887.06 = 116,299.72/x
  3. Step 3: Cross multiply
    453,259.72x = 679,887.06 × 116,299.72
  4. Step 4: Simplify right side
    453,259.72x = 79,070,674,709.62
  5. Step 5: Solve for x
    x = 79,070,674,709.62/453,259.72
  6. Step 6: Final answer
    x = 174,448.93

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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.