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Finding the Fourth Proportional to 364,859.89, 503,501.88 and 203,717.68

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Solution

The fourth proportional to 364,859.89, 503,501.88 and 203,717.68 is: 281,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,859.89 : 503,501.88 = 203,717.68 : x
  2. Step 2: Convert to fraction form
    364,859.89/503,501.88 = 203,717.68/x
  3. Step 3: Cross multiply
    364,859.89x = 503,501.88 × 203,717.68
  4. Step 4: Simplify right side
    364,859.89x = 102,572,234,869.24
  5. Step 5: Solve for x
    x = 102,572,234,869.24/364,859.89
  6. Step 6: Final answer
    x = 281,127.74

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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.