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Finding the Fourth Proportional to 321,035.62, 443,043.52 and 175,851.62

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Solution

The fourth proportional to 321,035.62, 443,043.52 and 175,851.62 is: 242,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,035.62 : 443,043.52 = 175,851.62 : x
  2. Step 2: Convert to fraction form
    321,035.62/443,043.52 = 175,851.62/x
  3. Step 3: Cross multiply
    321,035.62x = 443,043.52 × 175,851.62
  4. Step 4: Simplify right side
    321,035.62x = 77,909,920,722.50
  5. Step 5: Solve for x
    x = 77,909,920,722.50/321,035.62
  6. Step 6: Final answer
    x = 242,683.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.