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Finding the Fourth Proportional to 555,822.88, 767,038.22 and 301,174

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Solution

The fourth proportional to 555,822.88, 767,038.22 and 301,174 is: 415,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,822.88 : 767,038.22 = 301,174 : x
  2. Step 2: Convert to fraction form
    555,822.88/767,038.22 = 301,174/x
  3. Step 3: Cross multiply
    555,822.88x = 767,038.22 × 301,174
  4. Step 4: Simplify right side
    555,822.88x = 231,011,968,870.28
  5. Step 5: Solve for x
    x = 231,011,968,870.28/555,822.88
  6. Step 6: Final answer
    x = 415,621.55

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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.