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Finding the Fourth Proportional to 508,881.62, 763,672.32 and 176,457.62

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Solution

The fourth proportional to 508,881.62, 763,672.32 and 176,457.62 is: 264,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,881.62 : 763,672.32 = 176,457.62 : x
  2. Step 2: Convert to fraction form
    508,881.62/763,672.32 = 176,457.62/x
  3. Step 3: Cross multiply
    508,881.62x = 763,672.32 × 176,457.62
  4. Step 4: Simplify right side
    508,881.62x = 134,755,800,047.08
  5. Step 5: Solve for x
    x = 134,755,800,047.08/508,881.62
  6. Step 6: Final answer
    x = 264,807.76

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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.