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Finding the Fourth Proportional to 555,710.85, 766,881.76 and 301,062.04

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Solution

The fourth proportional to 555,710.85, 766,881.76 and 301,062.04 is: 415,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,710.85 : 766,881.76 = 301,062.04 : x
  2. Step 2: Convert to fraction form
    555,710.85/766,881.76 = 301,062.04/x
  3. Step 3: Cross multiply
    555,710.85x = 766,881.76 × 301,062.04
  4. Step 4: Simplify right side
    555,710.85x = 230,878,985,599.08
  5. Step 5: Solve for x
    x = 230,878,985,599.08/555,710.85
  6. Step 6: Final answer
    x = 415,466.04

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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.