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Finding the Fourth Proportional to 423,930.60, 585,024.12 and 232,956.36

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Solution

The fourth proportional to 423,930.60, 585,024.12 and 232,956.36 is: 321,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,930.60 : 585,024.12 = 232,956.36 : x
  2. Step 2: Convert to fraction form
    423,930.60/585,024.12 = 232,956.36/x
  3. Step 3: Cross multiply
    423,930.60x = 585,024.12 × 232,956.36
  4. Step 4: Simplify right side
    423,930.60x = 136,285,089,507.40
  5. Step 5: Solve for x
    x = 136,285,089,507.40/423,930.60
  6. Step 6: Final answer
    x = 321,479.72

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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.