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Finding the Fourth Proportional to 333,289.52, 499,934.28 and 83,990.96

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Solution

The fourth proportional to 333,289.52, 499,934.28 and 83,990.96 is: 125,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,289.52 : 499,934.28 = 83,990.96 : x
  2. Step 2: Convert to fraction form
    333,289.52/499,934.28 = 83,990.96/x
  3. Step 3: Cross multiply
    333,289.52x = 499,934.28 × 83,990.96
  4. Step 4: Simplify right side
    333,289.52x = 41,989,960,114.11
  5. Step 5: Solve for x
    x = 41,989,960,114.11/333,289.52
  6. Step 6: Final answer
    x = 125,986.44

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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.