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Finding the Fourth Proportional to 453,965.60, 680,948.40 and 173,446.40

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Solution

The fourth proportional to 453,965.60, 680,948.40 and 173,446.40 is: 260,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,965.60 : 680,948.40 = 173,446.40 : x
  2. Step 2: Convert to fraction form
    453,965.60/680,948.40 = 173,446.40/x
  3. Step 3: Cross multiply
    453,965.60x = 680,948.40 × 173,446.40
  4. Step 4: Simplify right side
    453,965.60x = 118,108,048,565.76
  5. Step 5: Solve for x
    x = 118,108,048,565.76/453,965.60
  6. Step 6: Final answer
    x = 260,169.60

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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.