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Finding the Fourth Proportional to 555,421.62, 832,502.52 and 255,282.06

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Solution

The fourth proportional to 555,421.62, 832,502.52 and 255,282.06 is: 382,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,421.62 : 832,502.52 = 255,282.06 : x
  2. Step 2: Convert to fraction form
    555,421.62/832,502.52 = 255,282.06/x
  3. Step 3: Cross multiply
    555,421.62x = 832,502.52 × 255,282.06
  4. Step 4: Simplify right side
    555,421.62x = 212,522,958,260.79
  5. Step 5: Solve for x
    x = 212,522,958,260.79/555,421.62
  6. Step 6: Final answer
    x = 382,633.57

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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.