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Finding the Fourth Proportional to 474,819, 655,248.48 and 270,869.58

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Solution

The fourth proportional to 474,819, 655,248.48 and 270,869.58 is: 373,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,819 : 655,248.48 = 270,869.58 : x
  2. Step 2: Convert to fraction form
    474,819/655,248.48 = 270,869.58/x
  3. Step 3: Cross multiply
    474,819x = 655,248.48 × 270,869.58
  4. Step 4: Simplify right side
    474,819x = 177,486,880,573.24
  5. Step 5: Solve for x
    x = 177,486,880,573.24/474,819
  6. Step 6: Final answer
    x = 373,799.03

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1.5x scale

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.