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Finding the Fourth Proportional to 407,708.37, 562,592.79 and 233,280.54

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Solution

The fourth proportional to 407,708.37, 562,592.79 and 233,280.54 is: 321,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,708.37 : 562,592.79 = 233,280.54 : x
  2. Step 2: Convert to fraction form
    407,708.37/562,592.79 = 233,280.54/x
  3. Step 3: Cross multiply
    407,708.37x = 562,592.79 × 233,280.54
  4. Step 4: Simplify right side
    407,708.37x = 131,241,949,851.31
  5. Step 5: Solve for x
    x = 131,241,949,851.31/407,708.37
  6. Step 6: Final answer
    x = 321,901.53

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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.