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Finding the Fourth Proportional to 476,306.64, 657,310.68 and 261,466.56

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Solution

The fourth proportional to 476,306.64, 657,310.68 and 261,466.56 is: 360,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,306.64 : 657,310.68 = 261,466.56 : x
  2. Step 2: Convert to fraction form
    476,306.64/657,310.68 = 261,466.56/x
  3. Step 3: Cross multiply
    476,306.64x = 657,310.68 × 261,466.56
  4. Step 4: Simplify right side
    476,306.64x = 171,864,762,350.86
  5. Step 5: Solve for x
    x = 171,864,762,350.86/476,306.64
  6. Step 6: Final answer
    x = 360,827.98

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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.