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Finding the Fourth Proportional to 513,856.72, 770,593.38 and 176,802.04

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Solution

The fourth proportional to 513,856.72, 770,593.38 and 176,802.04 is: 265,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,856.72 : 770,593.38 = 176,802.04 : x
  2. Step 2: Convert to fraction form
    513,856.72/770,593.38 = 176,802.04/x
  3. Step 3: Cross multiply
    513,856.72x = 770,593.38 × 176,802.04
  4. Step 4: Simplify right side
    513,856.72x = 136,242,481,594.50
  5. Step 5: Solve for x
    x = 136,242,481,594.50/513,856.72
  6. Step 6: Final answer
    x = 265,137.10

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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.