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Finding the Fourth Proportional to 651,220.96, 976,044 and 335,505.60

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Solution

The fourth proportional to 651,220.96, 976,044 and 335,505.60 is: 502,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,220.96 : 976,044 = 335,505.60 : x
  2. Step 2: Convert to fraction form
    651,220.96/976,044 = 335,505.60/x
  3. Step 3: Cross multiply
    651,220.96x = 976,044 × 335,505.60
  4. Step 4: Simplify right side
    651,220.96x = 327,468,227,846.40
  5. Step 5: Solve for x
    x = 327,468,227,846.40/651,220.96
  6. Step 6: Final answer
    x = 502,852.72

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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.