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Finding the Fourth Proportional to 555,674.77, 833,512.16 and 134,947.81

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Solution

The fourth proportional to 555,674.77, 833,512.16 and 134,947.81 is: 202,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,674.77 : 833,512.16 = 134,947.81 : x
  2. Step 2: Convert to fraction form
    555,674.77/833,512.16 = 134,947.81/x
  3. Step 3: Cross multiply
    555,674.77x = 833,512.16 × 134,947.81
  4. Step 4: Simplify right side
    555,674.77x = 112,480,640,600.37
  5. Step 5: Solve for x
    x = 112,480,640,600.37/555,674.77
  6. Step 6: Final answer
    x = 202,421.72

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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.