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Finding the Fourth Proportional to 432,027.04, 648,040.56 and 136,516

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Solution

The fourth proportional to 432,027.04, 648,040.56 and 136,516 is: 204,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,027.04 : 648,040.56 = 136,516 : x
  2. Step 2: Convert to fraction form
    432,027.04/648,040.56 = 136,516/x
  3. Step 3: Cross multiply
    432,027.04x = 648,040.56 × 136,516
  4. Step 4: Simplify right side
    432,027.04x = 88,467,905,088.96
  5. Step 5: Solve for x
    x = 88,467,905,088.96/432,027.04
  6. Step 6: Final answer
    x = 204,774.00

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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.