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Finding the Fourth Proportional to 344,022.60, 516,033.90 and 260,041.80

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Solution

The fourth proportional to 344,022.60, 516,033.90 and 260,041.80 is: 390,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,022.60 : 516,033.90 = 260,041.80 : x
  2. Step 2: Convert to fraction form
    344,022.60/516,033.90 = 260,041.80/x
  3. Step 3: Cross multiply
    344,022.60x = 516,033.90 × 260,041.80
  4. Step 4: Simplify right side
    344,022.60x = 134,190,384,217.02
  5. Step 5: Solve for x
    x = 134,190,384,217.02/344,022.60
  6. Step 6: Final answer
    x = 390,062.70

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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.