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Finding the Fourth Proportional to 364,999.20, 546,577.20 and 291,271.20

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Solution

The fourth proportional to 364,999.20, 546,577.20 and 291,271.20 is: 436,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,999.20 : 546,577.20 = 291,271.20 : x
  2. Step 2: Convert to fraction form
    364,999.20/546,577.20 = 291,271.20/x
  3. Step 3: Cross multiply
    364,999.20x = 546,577.20 × 291,271.20
  4. Step 4: Simplify right side
    364,999.20x = 159,202,196,936.64
  5. Step 5: Solve for x
    x = 159,202,196,936.64/364,999.20
  6. Step 6: Final answer
    x = 436,171.36

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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.