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Finding the Fourth Proportional to 693,666.01, 957,380.91 and 403,367.41

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Solution

The fourth proportional to 693,666.01, 957,380.91 and 403,367.41 is: 556,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,666.01 : 957,380.91 = 403,367.41 : x
  2. Step 2: Convert to fraction form
    693,666.01/957,380.91 = 403,367.41/x
  3. Step 3: Cross multiply
    693,666.01x = 957,380.91 × 403,367.41
  4. Step 4: Simplify right side
    693,666.01x = 386,176,253,263.24
  5. Step 5: Solve for x
    x = 386,176,253,263.24/693,666.01
  6. Step 6: Final answer
    x = 556,717.86

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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.