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Finding the Fourth Proportional to 364,957.20, 503,611.92 and 203,802.60

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Solution

The fourth proportional to 364,957.20, 503,611.92 and 203,802.60 is: 281,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,957.20 : 503,611.92 = 203,802.60 : x
  2. Step 2: Convert to fraction form
    364,957.20/503,611.92 = 203,802.60/x
  3. Step 3: Cross multiply
    364,957.20x = 503,611.92 × 203,802.60
  4. Step 4: Simplify right side
    364,957.20x = 102,637,418,686.99
  5. Step 5: Solve for x
    x = 102,637,418,686.99/364,957.20
  6. Step 6: Final answer
    x = 281,231.38

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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.