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Finding the Fourth Proportional to 587,603.20, 881,696.40 and 335,077.60

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Solution

The fourth proportional to 587,603.20, 881,696.40 and 335,077.60 is: 502,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,603.20 : 881,696.40 = 335,077.60 : x
  2. Step 2: Convert to fraction form
    587,603.20/881,696.40 = 335,077.60/x
  3. Step 3: Cross multiply
    587,603.20x = 881,696.40 × 335,077.60
  4. Step 4: Simplify right side
    587,603.20x = 295,436,713,640.64
  5. Step 5: Solve for x
    x = 295,436,713,640.64/587,603.20
  6. Step 6: Final answer
    x = 502,782.68

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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.