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Finding the Fourth Proportional to 240,830.70, 361,246.05 and 146,352.30

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Solution

The fourth proportional to 240,830.70, 361,246.05 and 146,352.30 is: 219,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,830.70 : 361,246.05 = 146,352.30 : x
  2. Step 2: Convert to fraction form
    240,830.70/361,246.05 = 146,352.30/x
  3. Step 3: Cross multiply
    240,830.70x = 361,246.05 × 146,352.30
  4. Step 4: Simplify right side
    240,830.70x = 52,869,190,283.42
  5. Step 5: Solve for x
    x = 52,869,190,283.42/240,830.70
  6. Step 6: Final answer
    x = 219,528.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.