Home / 472,213.09-651,656.30-268,275.20

Finding the Fourth Proportional to 472,213.09, 651,656.30 and 268,275.20

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Solution

The fourth proportional to 472,213.09, 651,656.30 and 268,275.20 is: 370,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,213.09 : 651,656.30 = 268,275.20 : x
  2. Step 2: Convert to fraction form
    472,213.09/651,656.30 = 268,275.20/x
  3. Step 3: Cross multiply
    472,213.09x = 651,656.30 × 268,275.20
  4. Step 4: Simplify right side
    472,213.09x = 174,823,224,213.76
  5. Step 5: Solve for x
    x = 174,823,224,213.76/472,213.09
  6. Step 6: Final answer
    x = 370,221.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.