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Finding the Fourth Proportional to 375,509.04, 518,194.44 and 205,739.52

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Solution

The fourth proportional to 375,509.04, 518,194.44 and 205,739.52 is: 283,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,509.04 : 518,194.44 = 205,739.52 : x
  2. Step 2: Convert to fraction form
    375,509.04/518,194.44 = 205,739.52/x
  3. Step 3: Cross multiply
    375,509.04x = 518,194.44 × 205,739.52
  4. Step 4: Simplify right side
    375,509.04x = 106,613,075,352.27
  5. Step 5: Solve for x
    x = 106,613,075,352.27/375,509.04
  6. Step 6: Final answer
    x = 283,916.14

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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.