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Finding the Fourth Proportional to 248,560.80, 343,141.20 and 168,410.40

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Solution

The fourth proportional to 248,560.80, 343,141.20 and 168,410.40 is: 232,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,560.80 : 343,141.20 = 168,410.40 : x
  2. Step 2: Convert to fraction form
    248,560.80/343,141.20 = 168,410.40/x
  3. Step 3: Cross multiply
    248,560.80x = 343,141.20 × 168,410.40
  4. Step 4: Simplify right side
    248,560.80x = 57,788,546,748.48
  5. Step 5: Solve for x
    x = 57,788,546,748.48/248,560.80
  6. Step 6: Final answer
    x = 232,492.60

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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.