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Finding the Fourth Proportional to 555,946.40, 767,057.04 and 329,404.32

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Solution

The fourth proportional to 555,946.40, 767,057.04 and 329,404.32 is: 454,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,946.40 : 767,057.04 = 329,404.32 : x
  2. Step 2: Convert to fraction form
    555,946.40/767,057.04 = 329,404.32/x
  3. Step 3: Cross multiply
    555,946.40x = 767,057.04 × 329,404.32
  4. Step 4: Simplify right side
    555,946.40x = 252,671,902,662.41
  5. Step 5: Solve for x
    x = 252,671,902,662.41/555,946.40
  6. Step 6: Final answer
    x = 454,489.68

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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.