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Finding the Fourth Proportional to 304,386.62, 420,222.46 and 183,558.50

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Solution

The fourth proportional to 304,386.62, 420,222.46 and 183,558.50 is: 253,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,386.62 : 420,222.46 = 183,558.50 : x
  2. Step 2: Convert to fraction form
    304,386.62/420,222.46 = 183,558.50/x
  3. Step 3: Cross multiply
    304,386.62x = 420,222.46 × 183,558.50
  4. Step 4: Simplify right side
    304,386.62x = 77,135,404,423.91
  5. Step 5: Solve for x
    x = 77,135,404,423.91/304,386.62
  6. Step 6: Final answer
    x = 253,412.60

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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.