Home / 349,740.80-524,611.20-322,184.60

Finding the Fourth Proportional to 349,740.80, 524,611.20 and 322,184.60

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Solution

The fourth proportional to 349,740.80, 524,611.20 and 322,184.60 is: 483,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,740.80 : 524,611.20 = 322,184.60 : x
  2. Step 2: Convert to fraction form
    349,740.80/524,611.20 = 322,184.60/x
  3. Step 3: Cross multiply
    349,740.80x = 524,611.20 × 322,184.60
  4. Step 4: Simplify right side
    349,740.80x = 169,021,649,627.52
  5. Step 5: Solve for x
    x = 169,021,649,627.52/349,740.80
  6. Step 6: Final answer
    x = 483,276.90

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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.