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Finding the Fourth Proportional to 532,674.51, 735,112.44 and 306,320.01

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Solution

The fourth proportional to 532,674.51, 735,112.44 and 306,320.01 is: 422,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,674.51 : 735,112.44 = 306,320.01 : x
  2. Step 2: Convert to fraction form
    532,674.51/735,112.44 = 306,320.01/x
  3. Step 3: Cross multiply
    532,674.51x = 735,112.44 × 306,320.01
  4. Step 4: Simplify right side
    532,674.51x = 225,179,649,971.92
  5. Step 5: Solve for x
    x = 225,179,649,971.92/532,674.51
  6. Step 6: Final answer
    x = 422,734.04

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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.