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Finding the Fourth Proportional to 229,539.80, 344,309.70 and 162,617.60

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Solution

The fourth proportional to 229,539.80, 344,309.70 and 162,617.60 is: 243,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,539.80 : 344,309.70 = 162,617.60 : x
  2. Step 2: Convert to fraction form
    229,539.80/344,309.70 = 162,617.60/x
  3. Step 3: Cross multiply
    229,539.80x = 344,309.70 × 162,617.60
  4. Step 4: Simplify right side
    229,539.80x = 55,990,817,070.72
  5. Step 5: Solve for x
    x = 55,990,817,070.72/229,539.80
  6. Step 6: Final answer
    x = 243,926.40

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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.