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Finding the Fourth Proportional to 659,893.26, 989,395.53 and 304,711.50

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Solution

The fourth proportional to 659,893.26, 989,395.53 and 304,711.50 is: 456,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,893.26 : 989,395.53 = 304,711.50 : x
  2. Step 2: Convert to fraction form
    659,893.26/989,395.53 = 304,711.50/x
  3. Step 3: Cross multiply
    659,893.26x = 989,395.53 × 304,711.50
  4. Step 4: Simplify right side
    659,893.26x = 301,480,196,039.60
  5. Step 5: Solve for x
    x = 301,480,196,039.60/659,893.26
  6. Step 6: Final answer
    x = 456,862.06

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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.