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Finding the Fourth Proportional to 652,186.60, 977,793.90 and 336,869.80

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Solution

The fourth proportional to 652,186.60, 977,793.90 and 336,869.80 is: 505,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,186.60 : 977,793.90 = 336,869.80 : x
  2. Step 2: Convert to fraction form
    652,186.60/977,793.90 = 336,869.80/x
  3. Step 3: Cross multiply
    652,186.60x = 977,793.90 × 336,869.80
  4. Step 4: Simplify right side
    652,186.60x = 329,389,235,534.22
  5. Step 5: Solve for x
    x = 329,389,235,534.22/652,186.60
  6. Step 6: Final answer
    x = 505,053.67

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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.