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Finding the Fourth Proportional to 539,623.59, 744,660.98 and 297,900.98

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Solution

The fourth proportional to 539,623.59, 744,660.98 and 297,900.98 is: 411,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,623.59 : 744,660.98 = 297,900.98 : x
  2. Step 2: Convert to fraction form
    539,623.59/744,660.98 = 297,900.98/x
  3. Step 3: Cross multiply
    539,623.59x = 744,660.98 × 297,900.98
  4. Step 4: Simplify right side
    539,623.59x = 221,835,234,406.56
  5. Step 5: Solve for x
    x = 221,835,234,406.56/539,623.59
  6. Step 6: Final answer
    x = 411,092.54

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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.