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Finding the Fourth Proportional to 543,453, 749,988.56 and 301,735.60

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Solution

The fourth proportional to 543,453, 749,988.56 and 301,735.60 is: 416,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,453 : 749,988.56 = 301,735.60 : x
  2. Step 2: Convert to fraction form
    543,453/749,988.56 = 301,735.60/x
  3. Step 3: Cross multiply
    543,453x = 749,988.56 × 301,735.60
  4. Step 4: Simplify right side
    543,453x = 226,298,248,144.74
  5. Step 5: Solve for x
    x = 226,298,248,144.74/543,453
  6. Step 6: Final answer
    x = 416,408.13

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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.