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Finding the Fourth Proportional to 475,605.52, 713,401.08 and 115,779.04

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Solution

The fourth proportional to 475,605.52, 713,401.08 and 115,779.04 is: 173,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,605.52 : 713,401.08 = 115,779.04 : x
  2. Step 2: Convert to fraction form
    475,605.52/713,401.08 = 115,779.04/x
  3. Step 3: Cross multiply
    475,605.52x = 713,401.08 × 115,779.04
  4. Step 4: Simplify right side
    475,605.52x = 82,596,892,177.36
  5. Step 5: Solve for x
    x = 82,596,892,177.36/475,605.52
  6. Step 6: Final answer
    x = 173,666.81

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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.