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Finding the Fourth Proportional to 652,561.72, 900,921.24 and 411,051.30

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Solution

The fourth proportional to 652,561.72, 900,921.24 and 411,051.30 is: 567,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,561.72 : 900,921.24 = 411,051.30 : x
  2. Step 2: Convert to fraction form
    652,561.72/900,921.24 = 411,051.30/x
  3. Step 3: Cross multiply
    652,561.72x = 900,921.24 × 411,051.30
  4. Step 4: Simplify right side
    652,561.72x = 370,324,846,899.61
  5. Step 5: Solve for x
    x = 370,324,846,899.61/652,561.72
  6. Step 6: Final answer
    x = 567,493.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.