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Finding the Fourth Proportional to 501,094.96, 691,109.28 and 440,537.20

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Solution

The fourth proportional to 501,094.96, 691,109.28 and 440,537.20 is: 607,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,094.96 : 691,109.28 = 440,537.20 : x
  2. Step 2: Convert to fraction form
    501,094.96/691,109.28 = 440,537.20/x
  3. Step 3: Cross multiply
    501,094.96x = 691,109.28 × 440,537.20
  4. Step 4: Simplify right side
    501,094.96x = 304,459,347,105.22
  5. Step 5: Solve for x
    x = 304,459,347,105.22/501,094.96
  6. Step 6: Final answer
    x = 607,588.12

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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.