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Finding the Fourth Proportional to 587,684.70, 881,656.65 and 188,343.90

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Solution

The fourth proportional to 587,684.70, 881,656.65 and 188,343.90 is: 282,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,684.70 : 881,656.65 = 188,343.90 : x
  2. Step 2: Convert to fraction form
    587,684.70/881,656.65 = 188,343.90/x
  3. Step 3: Cross multiply
    587,684.70x = 881,656.65 × 188,343.90
  4. Step 4: Simplify right side
    587,684.70x = 166,054,651,921.94
  5. Step 5: Solve for x
    x = 166,054,651,921.94/587,684.70
  6. Step 6: Final answer
    x = 282,557.38

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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.