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Finding the Fourth Proportional to 476,585.30, 657,523.30 and 304,603.94

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Solution

The fourth proportional to 476,585.30, 657,523.30 and 304,603.94 is: 420,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,585.30 : 657,523.30 = 304,603.94 : x
  2. Step 2: Convert to fraction form
    476,585.30/657,523.30 = 304,603.94/x
  3. Step 3: Cross multiply
    476,585.30x = 657,523.30 × 304,603.94
  4. Step 4: Simplify right side
    476,585.30x = 200,284,187,821.80
  5. Step 5: Solve for x
    x = 200,284,187,821.80/476,585.30
  6. Step 6: Final answer
    x = 420,248.35

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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.