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Finding the Fourth Proportional to 424,846.78, 586,219.94 and 243,525.34

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Solution

The fourth proportional to 424,846.78, 586,219.94 and 243,525.34 is: 336,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,846.78 : 586,219.94 = 243,525.34 : x
  2. Step 2: Convert to fraction form
    424,846.78/586,219.94 = 243,525.34/x
  3. Step 3: Cross multiply
    424,846.78x = 586,219.94 × 243,525.34
  4. Step 4: Simplify right side
    424,846.78x = 142,759,410,203.28
  5. Step 5: Solve for x
    x = 142,759,410,203.28/424,846.78
  6. Step 6: Final answer
    x = 336,025.64

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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.