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Finding the Fourth Proportional to 365,088.15, 503,821.64 and 203,943.20

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Solution

The fourth proportional to 365,088.15, 503,821.64 and 203,943.20 is: 281,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,088.15 : 503,821.64 = 203,943.20 : x
  2. Step 2: Convert to fraction form
    365,088.15/503,821.64 = 203,943.20/x
  3. Step 3: Cross multiply
    365,088.15x = 503,821.64 × 203,943.20
  4. Step 4: Simplify right side
    365,088.15x = 102,750,993,952.02
  5. Step 5: Solve for x
    x = 102,750,993,952.02/365,088.15
  6. Step 6: Final answer
    x = 281,441.60

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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.