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Finding the Fourth Proportional to 304,383.11, 420,217.62 and 183,555.01

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Solution

The fourth proportional to 304,383.11, 420,217.62 and 183,555.01 is: 253,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,383.11 : 420,217.62 = 183,555.01 : x
  2. Step 2: Convert to fraction form
    304,383.11/420,217.62 = 183,555.01/x
  3. Step 3: Cross multiply
    304,383.11x = 420,217.62 × 183,555.01
  4. Step 4: Simplify right side
    304,383.11x = 77,133,047,340.19
  5. Step 5: Solve for x
    x = 77,133,047,340.19/304,383.11
  6. Step 6: Final answer
    x = 253,407.78

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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.