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Finding the Fourth Proportional to 304,773.40, 425,633 and 304,773.40

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Solution

The fourth proportional to 304,773.40, 425,633 and 304,773.40 is: 425,633

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,773.40 : 425,633 = 304,773.40 : x
  2. Step 2: Convert to fraction form
    304,773.40/425,633 = 304,773.40/x
  3. Step 3: Cross multiply
    304,773.40x = 425,633 × 304,773.40
  4. Step 4: Simplify right side
    304,773.40x = 129,721,616,562.20
  5. Step 5: Solve for x
    x = 129,721,616,562.20/304,773.40
  6. Step 6: Final answer
    x = 425,633

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.