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Finding the Fourth Proportional to 622,476.96, 859,415.45 and 508,029

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Solution

The fourth proportional to 622,476.96, 859,415.45 and 508,029 is: 701,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,476.96 : 859,415.45 = 508,029 : x
  2. Step 2: Convert to fraction form
    622,476.96/859,415.45 = 508,029/x
  3. Step 3: Cross multiply
    622,476.96x = 859,415.45 × 508,029
  4. Step 4: Simplify right side
    622,476.96x = 436,607,971,648.05
  5. Step 5: Solve for x
    x = 436,607,971,648.05/622,476.96
  6. Step 6: Final answer
    x = 701,404.23

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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.