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Finding the Fourth Proportional to 543,270.39, 749,712.56 and 301,552.39

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Solution

The fourth proportional to 543,270.39, 749,712.56 and 301,552.39 is: 416,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,270.39 : 749,712.56 = 301,552.39 : x
  2. Step 2: Convert to fraction form
    543,270.39/749,712.56 = 301,552.39/x
  3. Step 3: Cross multiply
    543,270.39x = 749,712.56 × 301,552.39
  4. Step 4: Simplify right side
    543,270.39x = 226,077,614,281.02
  5. Step 5: Solve for x
    x = 226,077,614,281.02/543,270.39
  6. Step 6: Final answer
    x = 416,141.98

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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.