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Finding the Fourth Proportional to 476,673.34, 657,814.62 and 261,818.44

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Solution

The fourth proportional to 476,673.34, 657,814.62 and 261,818.44 is: 361,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,673.34 : 657,814.62 = 261,818.44 : x
  2. Step 2: Convert to fraction form
    476,673.34/657,814.62 = 261,818.44/x
  3. Step 3: Cross multiply
    476,673.34x = 657,814.62 × 261,818.44
  4. Step 4: Simplify right side
    476,673.34x = 172,227,997,617.59
  5. Step 5: Solve for x
    x = 172,227,997,617.59/476,673.34
  6. Step 6: Final answer
    x = 361,312.42

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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.