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Finding the Fourth Proportional to 555,948.81, 767,188.80 and 301,294.53

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Solution

The fourth proportional to 555,948.81, 767,188.80 and 301,294.53 is: 415,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,948.81 : 767,188.80 = 301,294.53 : x
  2. Step 2: Convert to fraction form
    555,948.81/767,188.80 = 301,294.53/x
  3. Step 3: Cross multiply
    555,948.81x = 767,188.80 × 301,294.53
  4. Step 4: Simplify right side
    555,948.81x = 231,149,788,917.26
  5. Step 5: Solve for x
    x = 231,149,788,917.26/555,948.81
  6. Step 6: Final answer
    x = 415,775.31

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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.