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Finding the Fourth Proportional to 333,179, 499,820.46 and 108,486.38

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Solution

The fourth proportional to 333,179, 499,820.46 and 108,486.38 is: 162,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,179 : 499,820.46 = 108,486.38 : x
  2. Step 2: Convert to fraction form
    333,179/499,820.46 = 108,486.38/x
  3. Step 3: Cross multiply
    333,179x = 499,820.46 × 108,486.38
  4. Step 4: Simplify right side
    333,179x = 54,223,712,355.33
  5. Step 5: Solve for x
    x = 54,223,712,355.33/333,179
  6. Step 6: Final answer
    x = 162,746.49

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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.