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Finding the Fourth Proportional to 543,244.74, 749,667.06 and 301,530.21

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Solution

The fourth proportional to 543,244.74, 749,667.06 and 301,530.21 is: 416,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,244.74 : 749,667.06 = 301,530.21 : x
  2. Step 2: Convert to fraction form
    543,244.74/749,667.06 = 301,530.21/x
  3. Step 3: Cross multiply
    543,244.74x = 749,667.06 × 301,530.21
  4. Step 4: Simplify right side
    543,244.74x = 226,047,266,031.88
  5. Step 5: Solve for x
    x = 226,047,266,031.88/543,244.74
  6. Step 6: Final answer
    x = 416,105.76

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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.