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Finding the Fourth Proportional to 441,630.60, 661,668.30 and 362,315.40

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Solution

The fourth proportional to 441,630.60, 661,668.30 and 362,315.40 is: 542,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,630.60 : 661,668.30 = 362,315.40 : x
  2. Step 2: Convert to fraction form
    441,630.60/661,668.30 = 362,315.40/x
  3. Step 3: Cross multiply
    441,630.60x = 661,668.30 × 362,315.40
  4. Step 4: Simplify right side
    441,630.60x = 239,732,614,781.82
  5. Step 5: Solve for x
    x = 239,732,614,781.82/441,630.60
  6. Step 6: Final answer
    x = 542,835.15

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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.