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Finding the Fourth Proportional to 536,476.40, 803,548.20 and 325,746.80

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Solution

The fourth proportional to 536,476.40, 803,548.20 and 325,746.80 is: 487,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,476.40 : 803,548.20 = 325,746.80 : x
  2. Step 2: Convert to fraction form
    536,476.40/803,548.20 = 325,746.80/x
  3. Step 3: Cross multiply
    536,476.40x = 803,548.20 × 325,746.80
  4. Step 4: Simplify right side
    536,476.40x = 261,753,254,795.76
  5. Step 5: Solve for x
    x = 261,753,254,795.76/536,476.40
  6. Step 6: Final answer
    x = 487,911.97

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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.