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Finding the Fourth Proportional to 440,349.54, 607,682.34 and 249,399.84

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Solution

The fourth proportional to 440,349.54, 607,682.34 and 249,399.84 is: 344,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,349.54 : 607,682.34 = 249,399.84 : x
  2. Step 2: Convert to fraction form
    440,349.54/607,682.34 = 249,399.84/x
  3. Step 3: Cross multiply
    440,349.54x = 607,682.34 × 249,399.84
  4. Step 4: Simplify right side
    440,349.54x = 151,555,878,366.83
  5. Step 5: Solve for x
    x = 151,555,878,366.83/440,349.54
  6. Step 6: Final answer
    x = 344,171.76

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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.