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Finding the Fourth Proportional to 558,632.94, 770,779.04 and 329,199.62

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Solution

The fourth proportional to 558,632.94, 770,779.04 and 329,199.62 is: 454,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,632.94 : 770,779.04 = 329,199.62 : x
  2. Step 2: Convert to fraction form
    558,632.94/770,779.04 = 329,199.62/x
  3. Step 3: Cross multiply
    558,632.94x = 770,779.04 × 329,199.62
  4. Step 4: Simplify right side
    558,632.94x = 253,740,167,071.97
  5. Step 5: Solve for x
    x = 253,740,167,071.97/558,632.94
  6. Step 6: Final answer
    x = 454,216.26

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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.