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Finding the Fourth Proportional to 556,822.08, 768,414.44 and 302,173.27

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Solution

The fourth proportional to 556,822.08, 768,414.44 and 302,173.27 is: 416,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,822.08 : 768,414.44 = 302,173.27 : x
  2. Step 2: Convert to fraction form
    556,822.08/768,414.44 = 302,173.27/x
  3. Step 3: Cross multiply
    556,822.08x = 768,414.44 × 302,173.27
  4. Step 4: Simplify right side
    556,822.08x = 232,194,304,050.02
  5. Step 5: Solve for x
    x = 232,194,304,050.02/556,822.08
  6. Step 6: Final answer
    x = 416,999.10

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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.