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Finding the Fourth Proportional to 407,597.66, 611,395.89 and 267,323.42

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Solution

The fourth proportional to 407,597.66, 611,395.89 and 267,323.42 is: 400,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,597.66 : 611,395.89 = 267,323.42 : x
  2. Step 2: Convert to fraction form
    407,597.66/611,395.89 = 267,323.42/x
  3. Step 3: Cross multiply
    407,597.66x = 611,395.89 × 267,323.42
  4. Step 4: Simplify right side
    407,597.66x = 163,440,440,288.74
  5. Step 5: Solve for x
    x = 163,440,440,288.74/407,597.66
  6. Step 6: Final answer
    x = 400,984.74

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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.