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Finding the Fourth Proportional to 333,712.51, 500,564.51 and 80,994.94

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Solution

The fourth proportional to 333,712.51, 500,564.51 and 80,994.94 is: 121,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,712.51 : 500,564.51 = 80,994.94 : x
  2. Step 2: Convert to fraction form
    333,712.51/500,564.51 = 80,994.94/x
  3. Step 3: Cross multiply
    333,712.51x = 500,564.51 × 80,994.94
  4. Step 4: Simplify right side
    333,712.51x = 40,543,191,100.92
  5. Step 5: Solve for x
    x = 40,543,191,100.92/333,712.51
  6. Step 6: Final answer
    x = 121,491.37

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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.