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Finding the Fourth Proportional to 517,756.38, 776,669.73 and 176,060.61

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Solution

The fourth proportional to 517,756.38, 776,669.73 and 176,060.61 is: 264,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,756.38 : 776,669.73 = 176,060.61 : x
  2. Step 2: Convert to fraction form
    517,756.38/776,669.73 = 176,060.61/x
  3. Step 3: Cross multiply
    517,756.38x = 776,669.73 × 176,060.61
  4. Step 4: Simplify right side
    517,756.38x = 136,740,946,432.34
  5. Step 5: Solve for x
    x = 136,740,946,432.34/517,756.38
  6. Step 6: Final answer
    x = 264,102.87

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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.