Home / 278,457.24-416,979.30-233,360.04

Finding the Fourth Proportional to 278,457.24, 416,979.30 and 233,360.04

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Solution

The fourth proportional to 278,457.24, 416,979.30 and 233,360.04 is: 349,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,457.24 : 416,979.30 = 233,360.04 : x
  2. Step 2: Convert to fraction form
    278,457.24/416,979.30 = 233,360.04/x
  3. Step 3: Cross multiply
    278,457.24x = 416,979.30 × 233,360.04
  4. Step 4: Simplify right side
    278,457.24x = 97,306,306,127.17
  5. Step 5: Solve for x
    x = 97,306,306,127.17/278,457.24
  6. Step 6: Final answer
    x = 349,447.93

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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.