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Finding the Fourth Proportional to 507,293.88, 760,991.18 and 187,529.55

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Solution

The fourth proportional to 507,293.88, 760,991.18 and 187,529.55 is: 281,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,293.88 : 760,991.18 = 187,529.55 : x
  2. Step 2: Convert to fraction form
    507,293.88/760,991.18 = 187,529.55/x
  3. Step 3: Cross multiply
    507,293.88x = 760,991.18 × 187,529.55
  4. Step 4: Simplify right side
    507,293.88x = 142,708,332,601.72
  5. Step 5: Solve for x
    x = 142,708,332,601.72/507,293.88
  6. Step 6: Final answer
    x = 281,312.94

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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.