Home / 467,519.20-645,174.96-266,349.28

Finding the Fourth Proportional to 467,519.20, 645,174.96 and 266,349.28

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Solution

The fourth proportional to 467,519.20, 645,174.96 and 266,349.28 is: 367,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,519.20 : 645,174.96 = 266,349.28 : x
  2. Step 2: Convert to fraction form
    467,519.20/645,174.96 = 266,349.28/x
  3. Step 3: Cross multiply
    467,519.20x = 645,174.96 × 266,349.28
  4. Step 4: Simplify right side
    467,519.20x = 171,841,886,070.03
  5. Step 5: Solve for x
    x = 171,841,886,070.03/467,519.20
  6. Step 6: Final answer
    x = 367,561.13

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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.