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Finding the Fourth Proportional to 555,878.30, 767,113.06 and 301,229.49

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Solution

The fourth proportional to 555,878.30, 767,113.06 and 301,229.49 is: 415,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,878.30 : 767,113.06 = 301,229.49 : x
  2. Step 2: Convert to fraction form
    555,878.30/767,113.06 = 301,229.49/x
  3. Step 3: Cross multiply
    555,878.30x = 767,113.06 × 301,229.49
  4. Step 4: Simplify right side
    555,878.30x = 231,077,075,083.07
  5. Step 5: Solve for x
    x = 231,077,075,083.07/555,878.30
  6. Step 6: Final answer
    x = 415,697.24

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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.