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Finding the Fourth Proportional to 443,300.10, 664,950.15 and 177,101.70

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Solution

The fourth proportional to 443,300.10, 664,950.15 and 177,101.70 is: 265,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,300.10 : 664,950.15 = 177,101.70 : x
  2. Step 2: Convert to fraction form
    443,300.10/664,950.15 = 177,101.70/x
  3. Step 3: Cross multiply
    443,300.10x = 664,950.15 × 177,101.70
  4. Step 4: Simplify right side
    443,300.10x = 117,763,801,980.26
  5. Step 5: Solve for x
    x = 117,763,801,980.26/443,300.10
  6. Step 6: Final answer
    x = 265,652.55

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1.5x scale

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.