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Finding the Fourth Proportional to 364,043.10, 546,064.65 and 325,551.90

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Solution

The fourth proportional to 364,043.10, 546,064.65 and 325,551.90 is: 488,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,043.10 : 546,064.65 = 325,551.90 : x
  2. Step 2: Convert to fraction form
    364,043.10/546,064.65 = 325,551.90/x
  3. Step 3: Cross multiply
    364,043.10x = 546,064.65 × 325,551.90
  4. Step 4: Simplify right side
    364,043.10x = 177,772,384,330.34
  5. Step 5: Solve for x
    x = 177,772,384,330.34/364,043.10
  6. Step 6: Final answer
    x = 488,327.85

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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.