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Finding the Fourth Proportional to 407,750.46, 562,662.66 and 235,679.55

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Solution

The fourth proportional to 407,750.46, 562,662.66 and 235,679.55 is: 325,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,750.46 : 562,662.66 = 235,679.55 : x
  2. Step 2: Convert to fraction form
    407,750.46/562,662.66 = 235,679.55/x
  3. Step 3: Cross multiply
    407,750.46x = 562,662.66 × 235,679.55
  4. Step 4: Simplify right side
    407,750.46x = 132,608,082,510.60
  5. Step 5: Solve for x
    x = 132,608,082,510.60/407,750.46
  6. Step 6: Final answer
    x = 325,218.72

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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.