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Finding the Fourth Proportional to 440,415.90, 607,816.56 and 246,856.50

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Solution

The fourth proportional to 440,415.90, 607,816.56 and 246,856.50 is: 340,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,415.90 : 607,816.56 = 246,856.50 : x
  2. Step 2: Convert to fraction form
    440,415.90/607,816.56 = 246,856.50/x
  3. Step 3: Cross multiply
    440,415.90x = 607,816.56 × 246,856.50
  4. Step 4: Simplify right side
    440,415.90x = 150,043,468,643.64
  5. Step 5: Solve for x
    x = 150,043,468,643.64/440,415.90
  6. Step 6: Final answer
    x = 340,685.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.