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Finding the Fourth Proportional to 507,636.58, 760,919.04 and 170,357.44

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Solution

The fourth proportional to 507,636.58, 760,919.04 and 170,357.44 is: 255,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,636.58 : 760,919.04 = 170,357.44 : x
  2. Step 2: Convert to fraction form
    507,636.58/760,919.04 = 170,357.44/x
  3. Step 3: Cross multiply
    507,636.58x = 760,919.04 × 170,357.44
  4. Step 4: Simplify right side
    507,636.58x = 129,628,219,701.66
  5. Step 5: Solve for x
    x = 129,628,219,701.66/507,636.58
  6. Step 6: Final answer
    x = 255,356.34

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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.