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Finding the Fourth Proportional to 304,429.62, 420,281.79 and 183,601.64

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Solution

The fourth proportional to 304,429.62, 420,281.79 and 183,601.64 is: 253,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,429.62 : 420,281.79 = 183,601.64 : x
  2. Step 2: Convert to fraction form
    304,429.62/420,281.79 = 183,601.64/x
  3. Step 3: Cross multiply
    304,429.62x = 420,281.79 × 183,601.64
  4. Step 4: Simplify right side
    304,429.62x = 77,164,425,906.14
  5. Step 5: Solve for x
    x = 77,164,425,906.14/304,429.62
  6. Step 6: Final answer
    x = 253,472.14

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1.5x scale

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.