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Finding the Fourth Proportional to 304,384.49, 420,219.52 and 183,556.38

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Solution

The fourth proportional to 304,384.49, 420,219.52 and 183,556.38 is: 253,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,384.49 : 420,219.52 = 183,556.38 : x
  2. Step 2: Convert to fraction form
    304,384.49/420,219.52 = 183,556.38/x
  3. Step 3: Cross multiply
    304,384.49x = 420,219.52 × 183,556.38
  4. Step 4: Simplify right side
    304,384.49x = 77,133,973,437.65
  5. Step 5: Solve for x
    x = 77,133,973,437.65/304,384.49
  6. Step 6: Final answer
    x = 253,409.68

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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.