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Finding the Fourth Proportional to 446,043.30, 615,548.94 and 252,451

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Solution

The fourth proportional to 446,043.30, 615,548.94 and 252,451 is: 348,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,043.30 : 615,548.94 = 252,451 : x
  2. Step 2: Convert to fraction form
    446,043.30/615,548.94 = 252,451/x
  3. Step 3: Cross multiply
    446,043.30x = 615,548.94 × 252,451
  4. Step 4: Simplify right side
    446,043.30x = 155,395,944,820.81
  5. Step 5: Solve for x
    x = 155,395,944,820.81/446,043.30
  6. Step 6: Final answer
    x = 348,387.58

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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.