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Finding the Fourth Proportional to 230,716.60, 346,074.90 and 163,065.40

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Solution

The fourth proportional to 230,716.60, 346,074.90 and 163,065.40 is: 244,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,716.60 : 346,074.90 = 163,065.40 : x
  2. Step 2: Convert to fraction form
    230,716.60/346,074.90 = 163,065.40/x
  3. Step 3: Cross multiply
    230,716.60x = 346,074.90 × 163,065.40
  4. Step 4: Simplify right side
    230,716.60x = 56,432,841,998.46
  5. Step 5: Solve for x
    x = 56,432,841,998.46/230,716.60
  6. Step 6: Final answer
    x = 244,598.10

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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.