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Finding the Fourth Proportional to 555,969.84, 767,242.17 and 301,325.28

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Solution

The fourth proportional to 555,969.84, 767,242.17 and 301,325.28 is: 415,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,969.84 : 767,242.17 = 301,325.28 : x
  2. Step 2: Convert to fraction form
    555,969.84/767,242.17 = 301,325.28/x
  3. Step 3: Cross multiply
    555,969.84x = 767,242.17 × 301,325.28
  4. Step 4: Simplify right side
    555,969.84x = 231,189,461,703.06
  5. Step 5: Solve for x
    x = 231,189,461,703.06/555,969.84
  6. Step 6: Final answer
    x = 415,830.94

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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.