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Finding the Fourth Proportional to 647,046, 892,818.45 and 375,060.81

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Solution

The fourth proportional to 647,046, 892,818.45 and 375,060.81 is: 517,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,046 : 892,818.45 = 375,060.81 : x
  2. Step 2: Convert to fraction form
    647,046/892,818.45 = 375,060.81/x
  3. Step 3: Cross multiply
    647,046x = 892,818.45 × 375,060.81
  4. Step 4: Simplify right side
    647,046x = 334,861,211,039.94
  5. Step 5: Solve for x
    x = 334,861,211,039.94/647,046
  6. Step 6: Final answer
    x = 517,523.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.