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Finding the Fourth Proportional to 453,964.60, 680,946.90 and 173,445.40

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Solution

The fourth proportional to 453,964.60, 680,946.90 and 173,445.40 is: 260,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,964.60 : 680,946.90 = 173,445.40 : x
  2. Step 2: Convert to fraction form
    453,964.60/680,946.90 = 173,445.40/x
  3. Step 3: Cross multiply
    453,964.60x = 680,946.90 × 173,445.40
  4. Step 4: Simplify right side
    453,964.60x = 118,107,107,449.26
  5. Step 5: Solve for x
    x = 118,107,107,449.26/453,964.60
  6. Step 6: Final answer
    x = 260,168.10

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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.