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Finding the Fourth Proportional to 363,644.50, 545,525.88 and 107,503.06

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Solution

The fourth proportional to 363,644.50, 545,525.88 and 107,503.06 is: 161,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,644.50 : 545,525.88 = 107,503.06 : x
  2. Step 2: Convert to fraction form
    363,644.50/545,525.88 = 107,503.06/x
  3. Step 3: Cross multiply
    363,644.50x = 545,525.88 × 107,503.06
  4. Step 4: Simplify right side
    363,644.50x = 58,645,701,409.19
  5. Step 5: Solve for x
    x = 58,645,701,409.19/363,644.50
  6. Step 6: Final answer
    x = 161,272.07

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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.