Home / 466,272.22-643,479.30-275,281.51

Finding the Fourth Proportional to 466,272.22, 643,479.30 and 275,281.51

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Solution

The fourth proportional to 466,272.22, 643,479.30 and 275,281.51 is: 379,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,272.22 : 643,479.30 = 275,281.51 : x
  2. Step 2: Convert to fraction form
    466,272.22/643,479.30 = 275,281.51/x
  3. Step 3: Cross multiply
    466,272.22x = 643,479.30 × 275,281.51
  4. Step 4: Simplify right side
    466,272.22x = 177,137,953,357.74
  5. Step 5: Solve for x
    x = 177,137,953,357.74/466,272.22
  6. Step 6: Final answer
    x = 379,902.44

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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.