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Finding the Fourth Proportional to 536,346.40, 803,353.20 and 325,616.80

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Solution

The fourth proportional to 536,346.40, 803,353.20 and 325,616.80 is: 487,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,346.40 : 803,353.20 = 325,616.80 : x
  2. Step 2: Convert to fraction form
    536,346.40/803,353.20 = 325,616.80/x
  3. Step 3: Cross multiply
    536,346.40x = 803,353.20 × 325,616.80
  4. Step 4: Simplify right side
    536,346.40x = 261,585,298,253.76
  5. Step 5: Solve for x
    x = 261,585,298,253.76/536,346.40
  6. Step 6: Final answer
    x = 487,717.08

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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.