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Finding the Fourth Proportional to 555,143.76, 832,830.84 and 222,745.68

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Solution

The fourth proportional to 555,143.76, 832,830.84 and 222,745.68 is: 334,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,143.76 : 832,830.84 = 222,745.68 : x
  2. Step 2: Convert to fraction form
    555,143.76/832,830.84 = 222,745.68/x
  3. Step 3: Cross multiply
    555,143.76x = 832,830.84 × 222,745.68
  4. Step 4: Simplify right side
    555,143.76x = 185,509,471,780.77
  5. Step 5: Solve for x
    x = 185,509,471,780.77/555,143.76
  6. Step 6: Final answer
    x = 334,164.74

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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.