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Finding the Fourth Proportional to 543,295.45, 749,733.67 and 301,571.81

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Solution

The fourth proportional to 543,295.45, 749,733.67 and 301,571.81 is: 416,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,295.45 : 749,733.67 = 301,571.81 : x
  2. Step 2: Convert to fraction form
    543,295.45/749,733.67 = 301,571.81/x
  3. Step 3: Cross multiply
    543,295.45x = 749,733.67 × 301,571.81
  4. Step 4: Simplify right side
    543,295.45x = 226,098,539,319.64
  5. Step 5: Solve for x
    x = 226,098,539,319.64/543,295.45
  6. Step 6: Final answer
    x = 416,161.30

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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.