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Finding the Fourth Proportional to 503,487.68, 755,233.50 and 203,973.92

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Solution

The fourth proportional to 503,487.68, 755,233.50 and 203,973.92 is: 305,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,487.68 : 755,233.50 = 203,973.92 : x
  2. Step 2: Convert to fraction form
    503,487.68/755,233.50 = 203,973.92/x
  3. Step 3: Cross multiply
    503,487.68x = 755,233.50 × 203,973.92
  4. Step 4: Simplify right side
    503,487.68x = 154,047,937,510.32
  5. Step 5: Solve for x
    x = 154,047,937,510.32/503,487.68
  6. Step 6: Final answer
    x = 305,961.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.