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Finding the Fourth Proportional to 304,752.89, 420,562.08 and 183,870.81

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Solution

The fourth proportional to 304,752.89, 420,562.08 and 183,870.81 is: 253,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.89 : 420,562.08 = 183,870.81 : x
  2. Step 2: Convert to fraction form
    304,752.89/420,562.08 = 183,870.81/x
  3. Step 3: Cross multiply
    304,752.89x = 420,562.08 × 183,870.81
  4. Step 4: Simplify right side
    304,752.89x = 77,329,090,304.88
  5. Step 5: Solve for x
    x = 77,329,090,304.88/304,752.89
  6. Step 6: Final answer
    x = 253,743.58

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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.