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Finding the Fourth Proportional to 543,620.34, 750,220.98 and 301,903.98

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Solution

The fourth proportional to 543,620.34, 750,220.98 and 301,903.98 is: 416,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,620.34 : 750,220.98 = 301,903.98 : x
  2. Step 2: Convert to fraction form
    543,620.34/750,220.98 = 301,903.98/x
  3. Step 3: Cross multiply
    543,620.34x = 750,220.98 × 301,903.98
  4. Step 4: Simplify right side
    543,620.34x = 226,494,699,741.50
  5. Step 5: Solve for x
    x = 226,494,699,741.50/543,620.34
  6. Step 6: Final answer
    x = 416,641.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.