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Finding the Fourth Proportional to 354,646.72, 531,423.33 and 174,525.40

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Solution

The fourth proportional to 354,646.72, 531,423.33 and 174,525.40 is: 261,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,646.72 : 531,423.33 = 174,525.40 : x
  2. Step 2: Convert to fraction form
    354,646.72/531,423.33 = 174,525.40/x
  3. Step 3: Cross multiply
    354,646.72x = 531,423.33 × 174,525.40
  4. Step 4: Simplify right side
    354,646.72x = 92,746,869,237.58
  5. Step 5: Solve for x
    x = 92,746,869,237.58/354,646.72
  6. Step 6: Final answer
    x = 261,519.04

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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.