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Finding the Fourth Proportional to 543,332.21, 749,764.76 and 301,600.67

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Solution

The fourth proportional to 543,332.21, 749,764.76 and 301,600.67 is: 416,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,332.21 : 749,764.76 = 301,600.67 : x
  2. Step 2: Convert to fraction form
    543,332.21/749,764.76 = 301,600.67/x
  3. Step 3: Cross multiply
    543,332.21x = 749,764.76 × 301,600.67
  4. Step 4: Simplify right side
    543,332.21x = 226,129,548,701.56
  5. Step 5: Solve for x
    x = 226,129,548,701.56/543,332.21
  6. Step 6: Final answer
    x = 416,190.22

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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.