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Finding the Fourth Proportional to 333,695.40, 500,597.64 and 108,990.60

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Solution

The fourth proportional to 333,695.40, 500,597.64 and 108,990.60 is: 163,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,695.40 : 500,597.64 = 108,990.60 : x
  2. Step 2: Convert to fraction form
    333,695.40/500,597.64 = 108,990.60/x
  3. Step 3: Cross multiply
    333,695.40x = 500,597.64 × 108,990.60
  4. Step 4: Simplify right side
    333,695.40x = 54,560,437,142.18
  5. Step 5: Solve for x
    x = 54,560,437,142.18/333,695.40
  6. Step 6: Final answer
    x = 163,503.71

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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.