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Finding the Fourth Proportional to 439,796.84, 606,606.84 and 403,615.22

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Solution

The fourth proportional to 439,796.84, 606,606.84 and 403,615.22 is: 556,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,796.84 : 606,606.84 = 403,615.22 : x
  2. Step 2: Convert to fraction form
    439,796.84/606,606.84 = 403,615.22/x
  3. Step 3: Cross multiply
    439,796.84x = 606,606.84 × 403,615.22
  4. Step 4: Simplify right side
    439,796.84x = 244,835,750,147.07
  5. Step 5: Solve for x
    x = 244,835,750,147.07/439,796.84
  6. Step 6: Final answer
    x = 556,701.94

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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.