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Finding the Fourth Proportional to 301,056.76, 415,454.90 and 173,729.62

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Solution

The fourth proportional to 301,056.76, 415,454.90 and 173,729.62 is: 239,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,056.76 : 415,454.90 = 173,729.62 : x
  2. Step 2: Convert to fraction form
    301,056.76/415,454.90 = 173,729.62/x
  3. Step 3: Cross multiply
    301,056.76x = 415,454.90 × 173,729.62
  4. Step 4: Simplify right side
    301,056.76x = 72,176,822,338.46
  5. Step 5: Solve for x
    x = 72,176,822,338.46/301,056.76
  6. Step 6: Final answer
    x = 239,744.90

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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.