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Finding the Fourth Proportional to 364,499.99, 503,010.30 and 203,355.07

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Solution

The fourth proportional to 364,499.99, 503,010.30 and 203,355.07 is: 280,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,499.99 : 503,010.30 = 203,355.07 : x
  2. Step 2: Convert to fraction form
    364,499.99/503,010.30 = 203,355.07/x
  3. Step 3: Cross multiply
    364,499.99x = 503,010.30 × 203,355.07
  4. Step 4: Simplify right side
    364,499.99x = 102,289,697,101.71
  5. Step 5: Solve for x
    x = 102,289,697,101.71/364,499.99
  6. Step 6: Final answer
    x = 280,630.18

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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.