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Finding the Fourth Proportional to 501,368.76, 751,679.12 and 301,642.35

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Solution

The fourth proportional to 501,368.76, 751,679.12 and 301,642.35 is: 452,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,368.76 : 751,679.12 = 301,642.35 : x
  2. Step 2: Convert to fraction form
    501,368.76/751,679.12 = 301,642.35/x
  3. Step 3: Cross multiply
    501,368.76x = 751,679.12 × 301,642.35
  4. Step 4: Simplify right side
    501,368.76x = 226,738,254,694.52
  5. Step 5: Solve for x
    x = 226,738,254,694.52/501,368.76
  6. Step 6: Final answer
    x = 452,238.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.