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Finding the Fourth Proportional to 556,615.08, 767,847.06 and 352,323.36

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Solution

The fourth proportional to 556,615.08, 767,847.06 and 352,323.36 is: 486,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,615.08 : 767,847.06 = 352,323.36 : x
  2. Step 2: Convert to fraction form
    556,615.08/767,847.06 = 352,323.36/x
  3. Step 3: Cross multiply
    556,615.08x = 767,847.06 × 352,323.36
  4. Step 4: Simplify right side
    556,615.08x = 270,530,456,145.32
  5. Step 5: Solve for x
    x = 270,530,456,145.32/556,615.08
  6. Step 6: Final answer
    x = 486,027.90

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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.