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Finding the Fourth Proportional to 434,080.80, 650,246.40 and 246,873.60

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Solution

The fourth proportional to 434,080.80, 650,246.40 and 246,873.60 is: 369,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,080.80 : 650,246.40 = 246,873.60 : x
  2. Step 2: Convert to fraction form
    434,080.80/650,246.40 = 246,873.60/x
  3. Step 3: Cross multiply
    434,080.80x = 650,246.40 × 246,873.60
  4. Step 4: Simplify right side
    434,080.80x = 160,528,669,655.04
  5. Step 5: Solve for x
    x = 160,528,669,655.04/434,080.80
  6. Step 6: Final answer
    x = 369,812.88

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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.