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Finding the Fourth Proportional to 525,060.60, 788,174.10 and 325,606.20

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Solution

The fourth proportional to 525,060.60, 788,174.10 and 325,606.20 is: 488,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,060.60 : 788,174.10 = 325,606.20 : x
  2. Step 2: Convert to fraction form
    525,060.60/788,174.10 = 325,606.20/x
  3. Step 3: Cross multiply
    525,060.60x = 788,174.10 × 325,606.20
  4. Step 4: Simplify right side
    525,060.60x = 256,634,373,639.42
  5. Step 5: Solve for x
    x = 256,634,373,639.42/525,060.60
  6. Step 6: Final answer
    x = 488,770.96

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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.