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Finding the Fourth Proportional to 476,372.88, 657,461.64 and 272,466.72

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Solution

The fourth proportional to 476,372.88, 657,461.64 and 272,466.72 is: 376,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,372.88 : 657,461.64 = 272,466.72 : x
  2. Step 2: Convert to fraction form
    476,372.88/657,461.64 = 272,466.72/x
  3. Step 3: Cross multiply
    476,372.88x = 657,461.64 × 272,466.72
  4. Step 4: Simplify right side
    476,372.88x = 179,136,416,576.62
  5. Step 5: Solve for x
    x = 179,136,416,576.62/476,372.88
  6. Step 6: Final answer
    x = 376,042.43

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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.