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Finding the Fourth Proportional to 304,423.63, 420,164.04 and 183,584.59

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Solution

The fourth proportional to 304,423.63, 420,164.04 and 183,584.59 is: 253,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,423.63 : 420,164.04 = 183,584.59 : x
  2. Step 2: Convert to fraction form
    304,423.63/420,164.04 = 183,584.59/x
  3. Step 3: Cross multiply
    304,423.63x = 420,164.04 × 183,584.59
  4. Step 4: Simplify right side
    304,423.63x = 77,135,643,468.60
  5. Step 5: Solve for x
    x = 77,135,643,468.60/304,423.63
  6. Step 6: Final answer
    x = 253,382.57

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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.