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Finding the Fourth Proportional to 293,501.80, 440,252.70 and 188,439.40

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Solution

The fourth proportional to 293,501.80, 440,252.70 and 188,439.40 is: 282,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,501.80 : 440,252.70 = 188,439.40 : x
  2. Step 2: Convert to fraction form
    293,501.80/440,252.70 = 188,439.40/x
  3. Step 3: Cross multiply
    293,501.80x = 440,252.70 × 188,439.40
  4. Step 4: Simplify right side
    293,501.80x = 82,960,954,636.38
  5. Step 5: Solve for x
    x = 82,960,954,636.38/293,501.80
  6. Step 6: Final answer
    x = 282,659.10

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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.