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Finding the Fourth Proportional to 545,167,676.80, 817,751,515.20 and 330,176,828.80

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Solution

The fourth proportional to 545,167,676.80, 817,751,515.20 and 330,176,828.80 is: 495,265,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,167,676.80 : 817,751,515.20 = 330,176,828.80 : x
  2. Step 2: Convert to fraction form
    545,167,676.80/817,751,515.20 = 330,176,828.80/x
  3. Step 3: Cross multiply
    545,167,676.80x = 817,751,515.20 × 330,176,828.80
  4. Step 4: Simplify right side
    545,167,676.80x = 270,002,602,035,131,008
  5. Step 5: Solve for x
    x = 270,002,602,035,131,008/545,167,676.80
  6. Step 6: Final answer
    x = 495,265,243.20

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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.