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Finding the Fourth Proportional to 663,336, 995,159.52 and 220,104

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Solution

The fourth proportional to 663,336, 995,159.52 and 220,104 is: 330,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,336 : 995,159.52 = 220,104 : x
  2. Step 2: Convert to fraction form
    663,336/995,159.52 = 220,104/x
  3. Step 3: Cross multiply
    663,336x = 995,159.52 × 220,104
  4. Step 4: Simplify right side
    663,336x = 219,038,590,990.08
  5. Step 5: Solve for x
    x = 219,038,590,990.08/663,336
  6. Step 6: Final answer
    x = 330,207.60

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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.