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Finding the Fourth Proportional to 543,322.17, 749,770.43 and 301,598.37

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Solution

The fourth proportional to 543,322.17, 749,770.43 and 301,598.37 is: 416,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,322.17 : 749,770.43 = 301,598.37 : x
  2. Step 2: Convert to fraction form
    543,322.17/749,770.43 = 301,598.37/x
  3. Step 3: Cross multiply
    543,322.17x = 749,770.43 × 301,598.37
  4. Step 4: Simplify right side
    543,322.17x = 226,129,538,054.21
  5. Step 5: Solve for x
    x = 226,129,538,054.21/543,322.17
  6. Step 6: Final answer
    x = 416,197.89

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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.