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Finding the Fourth Proportional to 624,767.40, 862,160.58 and 352,846.44

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Solution

The fourth proportional to 624,767.40, 862,160.58 and 352,846.44 is: 486,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,767.40 : 862,160.58 = 352,846.44 : x
  2. Step 2: Convert to fraction form
    624,767.40/862,160.58 = 352,846.44/x
  3. Step 3: Cross multiply
    624,767.40x = 862,160.58 × 352,846.44
  4. Step 4: Simplify right side
    624,767.40x = 304,210,291,361.34
  5. Step 5: Solve for x
    x = 304,210,291,361.34/624,767.40
  6. Step 6: Final answer
    x = 486,917.68

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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.