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Finding the Fourth Proportional to 423,914.98, 585,002.53 and 232,940.67

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Solution

The fourth proportional to 423,914.98, 585,002.53 and 232,940.67 is: 321,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,914.98 : 585,002.53 = 232,940.67 : x
  2. Step 2: Convert to fraction form
    423,914.98/585,002.53 = 232,940.67/x
  3. Step 3: Cross multiply
    423,914.98x = 585,002.53 × 232,940.67
  4. Step 4: Simplify right side
    423,914.98x = 136,270,881,289.90
  5. Step 5: Solve for x
    x = 136,270,881,289.90/423,914.98
  6. Step 6: Final answer
    x = 321,458.05

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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.