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Finding the Fourth Proportional to 404,711.67, 607,069.95 and 180,019.29

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Solution

The fourth proportional to 404,711.67, 607,069.95 and 180,019.29 is: 270,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,711.67 : 607,069.95 = 180,019.29 : x
  2. Step 2: Convert to fraction form
    404,711.67/607,069.95 = 180,019.29/x
  3. Step 3: Cross multiply
    404,711.67x = 607,069.95 × 180,019.29
  4. Step 4: Simplify right side
    404,711.67x = 109,284,301,379.34
  5. Step 5: Solve for x
    x = 109,284,301,379.34/404,711.67
  6. Step 6: Final answer
    x = 270,030.02

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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.