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Finding the Fourth Proportional to 547,033.30, 754,974.21 and 332,159.38

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Solution

The fourth proportional to 547,033.30, 754,974.21 and 332,159.38 is: 458,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,033.30 : 754,974.21 = 332,159.38 : x
  2. Step 2: Convert to fraction form
    547,033.30/754,974.21 = 332,159.38/x
  3. Step 3: Cross multiply
    547,033.30x = 754,974.21 × 332,159.38
  4. Step 4: Simplify right side
    547,033.30x = 250,771,765,509.59
  5. Step 5: Solve for x
    x = 250,771,765,509.59/547,033.30
  6. Step 6: Final answer
    x = 458,421.39

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1.5x scale

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.