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Finding the Fourth Proportional to 253,405.35, 349,599.91 and 162,748.73

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Solution

The fourth proportional to 253,405.35, 349,599.91 and 162,748.73 is: 224,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,405.35 : 349,599.91 = 162,748.73 : x
  2. Step 2: Convert to fraction form
    253,405.35/349,599.91 = 162,748.73/x
  3. Step 3: Cross multiply
    253,405.35x = 349,599.91 × 162,748.73
  4. Step 4: Simplify right side
    253,405.35x = 56,896,941,360.61
  5. Step 5: Solve for x
    x = 56,896,941,360.61/253,405.35
  6. Step 6: Final answer
    x = 224,529.36

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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.