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Finding the Fourth Proportional to 349,684.10, 524,589.57 and 144,519.10

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Solution

The fourth proportional to 349,684.10, 524,589.57 and 144,519.10 is: 216,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,684.10 : 524,589.57 = 144,519.10 : x
  2. Step 2: Convert to fraction form
    349,684.10/524,589.57 = 144,519.10/x
  3. Step 3: Cross multiply
    349,684.10x = 524,589.57 × 144,519.10
  4. Step 4: Simplify right side
    349,684.10x = 75,813,212,525.79
  5. Step 5: Solve for x
    x = 75,813,212,525.79/349,684.10
  6. Step 6: Final answer
    x = 216,804.86

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1.5x scale

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.