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Finding the Fourth Proportional to 293,701.20, 440,551.80 and 260,458.80

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Solution

The fourth proportional to 293,701.20, 440,551.80 and 260,458.80 is: 390,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,701.20 : 440,551.80 = 260,458.80 : x
  2. Step 2: Convert to fraction form
    293,701.20/440,551.80 = 260,458.80/x
  3. Step 3: Cross multiply
    293,701.20x = 440,551.80 × 260,458.80
  4. Step 4: Simplify right side
    293,701.20x = 114,745,593,165.84
  5. Step 5: Solve for x
    x = 114,745,593,165.84/293,701.20
  6. Step 6: Final answer
    x = 390,688.20

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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.