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Finding the Fourth Proportional to 338,317.40, 507,605.70 and 333,003.80

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Solution

The fourth proportional to 338,317.40, 507,605.70 and 333,003.80 is: 499,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,317.40 : 507,605.70 = 333,003.80 : x
  2. Step 2: Convert to fraction form
    338,317.40/507,605.70 = 333,003.80/x
  3. Step 3: Cross multiply
    338,317.40x = 507,605.70 × 333,003.80
  4. Step 4: Simplify right side
    338,317.40x = 169,034,627,001.66
  5. Step 5: Solve for x
    x = 169,034,627,001.66/338,317.40
  6. Step 6: Final answer
    x = 499,633.26

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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.