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Finding the Fourth Proportional to 543,234.96, 749,754 and 301,595.04

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Solution

The fourth proportional to 543,234.96, 749,754 and 301,595.04 is: 416,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,234.96 : 749,754 = 301,595.04 : x
  2. Step 2: Convert to fraction form
    543,234.96/749,754 = 301,595.04/x
  3. Step 3: Cross multiply
    543,234.96x = 749,754 × 301,595.04
  4. Step 4: Simplify right side
    543,234.96x = 226,122,087,620.16
  5. Step 5: Solve for x
    x = 226,122,087,620.16/543,234.96
  6. Step 6: Final answer
    x = 416,250.99

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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.