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Finding the Fourth Proportional to 331,113.60, 496,875.60 and 173,455.20

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Solution

The fourth proportional to 331,113.60, 496,875.60 and 173,455.20 is: 260,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.60 : 496,875.60 = 173,455.20 : x
  2. Step 2: Convert to fraction form
    331,113.60/496,875.60 = 173,455.20/x
  3. Step 3: Cross multiply
    331,113.60x = 496,875.60 × 173,455.20
  4. Step 4: Simplify right side
    331,113.60x = 86,185,656,573.12
  5. Step 5: Solve for x
    x = 86,185,656,573.12/331,113.60
  6. Step 6: Final answer
    x = 260,290.29

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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.