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Finding the Fourth Proportional to 555,431.04, 832,030.92 and 255,494.52

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Solution

The fourth proportional to 555,431.04, 832,030.92 and 255,494.52 is: 382,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,431.04 : 832,030.92 = 255,494.52 : x
  2. Step 2: Convert to fraction form
    555,431.04/832,030.92 = 255,494.52/x
  3. Step 3: Cross multiply
    555,431.04x = 832,030.92 × 255,494.52
  4. Step 4: Simplify right side
    555,431.04x = 212,579,340,530.56
  5. Step 5: Solve for x
    x = 212,579,340,530.56/555,431.04
  6. Step 6: Final answer
    x = 382,728.59

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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.