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Finding the Fourth Proportional to 536,557.40, 803,669.70 and 325,827.80

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Solution

The fourth proportional to 536,557.40, 803,669.70 and 325,827.80 is: 488,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,557.40 : 803,669.70 = 325,827.80 : x
  2. Step 2: Convert to fraction form
    536,557.40/803,669.70 = 325,827.80/x
  3. Step 3: Cross multiply
    536,557.40x = 803,669.70 × 325,827.80
  4. Step 4: Simplify right side
    536,557.40x = 261,857,930,277.66
  5. Step 5: Solve for x
    x = 261,857,930,277.66/536,557.40
  6. Step 6: Final answer
    x = 488,033.40

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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.