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Finding the Fourth Proportional to 953,361.60, 1,429,653.60 and 321,950.40

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Solution

The fourth proportional to 953,361.60, 1,429,653.60 and 321,950.40 is: 482,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,361.60 : 1,429,653.60 = 321,950.40 : x
  2. Step 2: Convert to fraction form
    953,361.60/1,429,653.60 = 321,950.40/x
  3. Step 3: Cross multiply
    953,361.60x = 1,429,653.60 × 321,950.40
  4. Step 4: Simplify right side
    953,361.60x = 460,277,548,381.44
  5. Step 5: Solve for x
    x = 460,277,548,381.44/953,361.60
  6. Step 6: Final answer
    x = 482,794.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.