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Finding the Fourth Proportional to 360,253.48, 540,379.38 and 338,331.52

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Solution

The fourth proportional to 360,253.48, 540,379.38 and 338,331.52 is: 507,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,253.48 : 540,379.38 = 338,331.52 : x
  2. Step 2: Convert to fraction form
    360,253.48/540,379.38 = 338,331.52/x
  3. Step 3: Cross multiply
    360,253.48x = 540,379.38 × 338,331.52
  4. Step 4: Simplify right side
    360,253.48x = 182,827,377,012.06
  5. Step 5: Solve for x
    x = 182,827,377,012.06/360,253.48
  6. Step 6: Final answer
    x = 507,496.49

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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.