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Finding the Fourth Proportional to 575,459.40, 862,022.70 and 325,849.80

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Solution

The fourth proportional to 575,459.40, 862,022.70 and 325,849.80 is: 488,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,459.40 : 862,022.70 = 325,849.80 : x
  2. Step 2: Convert to fraction form
    575,459.40/862,022.70 = 325,849.80/x
  3. Step 3: Cross multiply
    575,459.40x = 862,022.70 × 325,849.80
  4. Step 4: Simplify right side
    575,459.40x = 280,889,924,390.46
  5. Step 5: Solve for x
    x = 280,889,924,390.46/575,459.40
  6. Step 6: Final answer
    x = 488,114.23

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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.