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Finding the Fourth Proportional to 426,093.56, 639,093.11 and 152,528.93

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Solution

The fourth proportional to 426,093.56, 639,093.11 and 152,528.93 is: 228,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,093.56 : 639,093.11 = 152,528.93 : x
  2. Step 2: Convert to fraction form
    426,093.56/639,093.11 = 152,528.93/x
  3. Step 3: Cross multiply
    426,093.56x = 639,093.11 × 152,528.93
  4. Step 4: Simplify right side
    426,093.56x = 97,480,188,238.67
  5. Step 5: Solve for x
    x = 97,480,188,238.67/426,093.56
  6. Step 6: Final answer
    x = 228,776.49

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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.