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Finding the Fourth Proportional to 304,344.30, 455,641.65 and 186,246.30

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Solution

The fourth proportional to 304,344.30, 455,641.65 and 186,246.30 is: 278,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,344.30 : 455,641.65 = 186,246.30 : x
  2. Step 2: Convert to fraction form
    304,344.30/455,641.65 = 186,246.30/x
  3. Step 3: Cross multiply
    304,344.30x = 455,641.65 × 186,246.30
  4. Step 4: Simplify right side
    304,344.30x = 84,861,571,438.40
  5. Step 5: Solve for x
    x = 84,861,571,438.40/304,344.30
  6. Step 6: Final answer
    x = 278,834.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.