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Finding the Fourth Proportional to 574,303.38, 861,423.66 and 174,910.74

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Solution

The fourth proportional to 574,303.38, 861,423.66 and 174,910.74 is: 262,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,303.38 : 861,423.66 = 174,910.74 : x
  2. Step 2: Convert to fraction form
    574,303.38/861,423.66 = 174,910.74/x
  3. Step 3: Cross multiply
    574,303.38x = 861,423.66 × 174,910.74
  4. Step 4: Simplify right side
    574,303.38x = 150,672,249,824.11
  5. Step 5: Solve for x
    x = 150,672,249,824.11/574,303.38
  6. Step 6: Final answer
    x = 262,356.54

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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.