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Finding the Fourth Proportional to 454,005.80, 681,008.70 and 360,002.60

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Solution

The fourth proportional to 454,005.80, 681,008.70 and 360,002.60 is: 540,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,005.80 : 681,008.70 = 360,002.60 : x
  2. Step 2: Convert to fraction form
    454,005.80/681,008.70 = 360,002.60/x
  3. Step 3: Cross multiply
    454,005.80x = 681,008.70 × 360,002.60
  4. Step 4: Simplify right side
    454,005.80x = 245,164,902,622.62
  5. Step 5: Solve for x
    x = 245,164,902,622.62/454,005.80
  6. Step 6: Final answer
    x = 540,003.90

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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.