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Finding the Fourth Proportional to 304,632.59, 420,406.11 and 168,666.54

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Solution

The fourth proportional to 304,632.59, 420,406.11 and 168,666.54 is: 232,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,632.59 : 420,406.11 = 168,666.54 : x
  2. Step 2: Convert to fraction form
    304,632.59/420,406.11 = 168,666.54/x
  3. Step 3: Cross multiply
    304,632.59x = 420,406.11 × 168,666.54
  4. Step 4: Simplify right side
    304,632.59x = 70,908,442,288.20
  5. Step 5: Solve for x
    x = 70,908,442,288.20/304,632.59
  6. Step 6: Final answer
    x = 232,767.09

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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.