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Finding the Fourth Proportional to 543,219.60, 749,637.55 and 301,504.26

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Solution

The fourth proportional to 543,219.60, 749,637.55 and 301,504.26 is: 416,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,219.60 : 749,637.55 = 301,504.26 : x
  2. Step 2: Convert to fraction form
    543,219.60/749,637.55 = 301,504.26/x
  3. Step 3: Cross multiply
    543,219.60x = 749,637.55 × 301,504.26
  4. Step 4: Simplify right side
    543,219.60x = 226,018,914,780.96
  5. Step 5: Solve for x
    x = 226,018,914,780.96/543,219.60
  6. Step 6: Final answer
    x = 416,072.83

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1.5x scale

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.