Home / 349,822.80-524,734.20-308,350.80

Finding the Fourth Proportional to 349,822.80, 524,734.20 and 308,350.80

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Solution

The fourth proportional to 349,822.80, 524,734.20 and 308,350.80 is: 462,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,822.80 : 524,734.20 = 308,350.80 : x
  2. Step 2: Convert to fraction form
    349,822.80/524,734.20 = 308,350.80/x
  3. Step 3: Cross multiply
    349,822.80x = 524,734.20 × 308,350.80
  4. Step 4: Simplify right side
    349,822.80x = 161,802,210,357.36
  5. Step 5: Solve for x
    x = 161,802,210,357.36/349,822.80
  6. Step 6: Final answer
    x = 462,526.20

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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.