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Finding the Fourth Proportional to 508,660, 763,126.08 and 176,236

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Solution

The fourth proportional to 508,660, 763,126.08 and 176,236 is: 264,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,660 : 763,126.08 = 176,236 : x
  2. Step 2: Convert to fraction form
    508,660/763,126.08 = 176,236/x
  3. Step 3: Cross multiply
    508,660x = 763,126.08 × 176,236
  4. Step 4: Simplify right side
    508,660x = 134,490,287,834.88
  5. Step 5: Solve for x
    x = 134,490,287,834.88/508,660
  6. Step 6: Final answer
    x = 264,401.15

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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.