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Finding the Fourth Proportional to 452,775.41, 624,693.65 and 271,421.17

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Solution

The fourth proportional to 452,775.41, 624,693.65 and 271,421.17 is: 374,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,775.41 : 624,693.65 = 271,421.17 : x
  2. Step 2: Convert to fraction form
    452,775.41/624,693.65 = 271,421.17/x
  3. Step 3: Cross multiply
    452,775.41x = 624,693.65 × 271,421.17
  4. Step 4: Simplify right side
    452,775.41x = 169,555,080,249.06
  5. Step 5: Solve for x
    x = 169,555,080,249.06/452,775.41
  6. Step 6: Final answer
    x = 374,479.44

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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.