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Finding the Fourth Proportional to 718,096.68, 1,076,229 and 381,298.68

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Solution

The fourth proportional to 718,096.68, 1,076,229 and 381,298.68 is: 571,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,096.68 : 1,076,229 = 381,298.68 : x
  2. Step 2: Convert to fraction form
    718,096.68/1,076,229 = 381,298.68/x
  3. Step 3: Cross multiply
    718,096.68x = 1,076,229 × 381,298.68
  4. Step 4: Simplify right side
    718,096.68x = 410,364,697,077.72
  5. Step 5: Solve for x
    x = 410,364,697,077.72/718,096.68
  6. Step 6: Final answer
    x = 571,461.63

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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.