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Finding the Fourth Proportional to 536,292.48, 804,428.28 and 216,435.84

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Solution

The fourth proportional to 536,292.48, 804,428.28 and 216,435.84 is: 324,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,292.48 : 804,428.28 = 216,435.84 : x
  2. Step 2: Convert to fraction form
    536,292.48/804,428.28 = 216,435.84/x
  3. Step 3: Cross multiply
    536,292.48x = 804,428.28 × 216,435.84
  4. Step 4: Simplify right side
    536,292.48x = 174,107,110,501.56
  5. Step 5: Solve for x
    x = 174,107,110,501.56/536,292.48
  6. Step 6: Final answer
    x = 324,649.55

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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.