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Finding the Fourth Proportional to 365,130.62, 503,880.21 and 203,985.71

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Solution

The fourth proportional to 365,130.62, 503,880.21 and 203,985.71 is: 281,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,130.62 : 503,880.21 = 203,985.71 : x
  2. Step 2: Convert to fraction form
    365,130.62/503,880.21 = 203,985.71/x
  3. Step 3: Cross multiply
    365,130.62x = 503,880.21 × 203,985.71
  4. Step 4: Simplify right side
    365,130.62x = 102,784,362,391.80
  5. Step 5: Solve for x
    x = 102,784,362,391.80/365,130.62
  6. Step 6: Final answer
    x = 281,500.25

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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.