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Finding the Fourth Proportional to 1,156,446.78, 1,733,672.43 and 556,582.65

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Solution

The fourth proportional to 1,156,446.78, 1,733,672.43 and 556,582.65 is: 834,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,446.78 : 1,733,672.43 = 556,582.65 : x
  2. Step 2: Convert to fraction form
    1,156,446.78/1,733,672.43 = 556,582.65/x
  3. Step 3: Cross multiply
    1,156,446.78x = 1,733,672.43 × 556,582.65
  4. Step 4: Simplify right side
    1,156,446.78x = 964,931,995,321.34
  5. Step 5: Solve for x
    x = 964,931,995,321.34/1,156,446.78
  6. Step 6: Final answer
    x = 834,393.78

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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.