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Finding the Fourth Proportional to 453,973.60, 680,960.40 and 173,454.40

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Solution

The fourth proportional to 453,973.60, 680,960.40 and 173,454.40 is: 260,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,973.60 : 680,960.40 = 173,454.40 : x
  2. Step 2: Convert to fraction form
    453,973.60/680,960.40 = 173,454.40/x
  3. Step 3: Cross multiply
    453,973.60x = 680,960.40 × 173,454.40
  4. Step 4: Simplify right side
    453,973.60x = 118,115,577,605.76
  5. Step 5: Solve for x
    x = 118,115,577,605.76/453,973.60
  6. Step 6: Final answer
    x = 260,181.60

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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.