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Finding the Fourth Proportional to 535,901.84, 804,010.67 and 215,889.03

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Solution

The fourth proportional to 535,901.84, 804,010.67 and 215,889.03 is: 323,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,901.84 : 804,010.67 = 215,889.03 : x
  2. Step 2: Convert to fraction form
    535,901.84/804,010.67 = 215,889.03/x
  3. Step 3: Cross multiply
    535,901.84x = 804,010.67 × 215,889.03
  4. Step 4: Simplify right side
    535,901.84x = 173,577,082,576.51
  5. Step 5: Solve for x
    x = 173,577,082,576.51/535,901.84
  6. Step 6: Final answer
    x = 323,897.16

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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.