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Finding the Fourth Proportional to 555,888.37, 832,243.96 and 520,576.82

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Solution

The fourth proportional to 555,888.37, 832,243.96 and 520,576.82 is: 779,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,888.37 : 832,243.96 = 520,576.82 : x
  2. Step 2: Convert to fraction form
    555,888.37/832,243.96 = 520,576.82/x
  3. Step 3: Cross multiply
    555,888.37x = 832,243.96 × 520,576.82
  4. Step 4: Simplify right side
    555,888.37x = 433,246,911,558.12
  5. Step 5: Solve for x
    x = 433,246,911,558.12/555,888.37
  6. Step 6: Final answer
    x = 779,377.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.