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Finding the Fourth Proportional to 351,173.60, 526,630.80 and 173,621.60

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Solution

The fourth proportional to 351,173.60, 526,630.80 and 173,621.60 is: 260,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,173.60 : 526,630.80 = 173,621.60 : x
  2. Step 2: Convert to fraction form
    351,173.60/526,630.80 = 173,621.60/x
  3. Step 3: Cross multiply
    351,173.60x = 526,630.80 × 173,621.60
  4. Step 4: Simplify right side
    351,173.60x = 91,434,482,105.28
  5. Step 5: Solve for x
    x = 91,434,482,105.28/351,173.60
  6. Step 6: Final answer
    x = 260,368.33

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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.