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Finding the Fourth Proportional to 432,088.62, 648,054.55 and 116,471.71

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Solution

The fourth proportional to 432,088.62, 648,054.55 and 116,471.71 is: 174,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,088.62 : 648,054.55 = 116,471.71 : x
  2. Step 2: Convert to fraction form
    432,088.62/648,054.55 = 116,471.71/x
  3. Step 3: Cross multiply
    432,088.62x = 648,054.55 × 116,471.71
  4. Step 4: Simplify right side
    432,088.62x = 75,480,021,611.78
  5. Step 5: Solve for x
    x = 75,480,021,611.78/432,088.62
  6. Step 6: Final answer
    x = 174,686.44

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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.