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Finding the Fourth Proportional to 543,240.60, 749,636.66 and 301,511.56

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Solution

The fourth proportional to 543,240.60, 749,636.66 and 301,511.56 is: 416,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,240.60 : 749,636.66 = 301,511.56 : x
  2. Step 2: Convert to fraction form
    543,240.60/749,636.66 = 301,511.56/x
  3. Step 3: Cross multiply
    543,240.60x = 749,636.66 × 301,511.56
  4. Step 4: Simplify right side
    543,240.60x = 226,024,118,789.79
  5. Step 5: Solve for x
    x = 226,024,118,789.79/543,240.60
  6. Step 6: Final answer
    x = 416,066.32

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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.