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Finding the Fourth Proportional to 476,466.72, 657,494.28 and 261,605.40

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Solution

The fourth proportional to 476,466.72, 657,494.28 and 261,605.40 is: 360,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,466.72 : 657,494.28 = 261,605.40 : x
  2. Step 2: Convert to fraction form
    476,466.72/657,494.28 = 261,605.40/x
  3. Step 3: Cross multiply
    476,466.72x = 657,494.28 × 261,605.40
  4. Step 4: Simplify right side
    476,466.72x = 172,004,054,117.11
  5. Step 5: Solve for x
    x = 172,004,054,117.11/476,466.72
  6. Step 6: Final answer
    x = 360,999.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.