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Finding the Fourth Proportional to 313,173.71, 470,635.37 and 293,009.57

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Solution

The fourth proportional to 313,173.71, 470,635.37 and 293,009.57 is: 440,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,173.71 : 470,635.37 = 293,009.57 : x
  2. Step 2: Convert to fraction form
    313,173.71/470,635.37 = 293,009.57/x
  3. Step 3: Cross multiply
    313,173.71x = 470,635.37 × 293,009.57
  4. Step 4: Simplify right side
    313,173.71x = 137,900,663,572.27
  5. Step 5: Solve for x
    x = 137,900,663,572.27/313,173.71
  6. Step 6: Final answer
    x = 440,332.83

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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.