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Finding the Fourth Proportional to 540,542.08, 746,012.96 and 314,187.60

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Solution

The fourth proportional to 540,542.08, 746,012.96 and 314,187.60 is: 433,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,542.08 : 746,012.96 = 314,187.60 : x
  2. Step 2: Convert to fraction form
    540,542.08/746,012.96 = 314,187.60/x
  3. Step 3: Cross multiply
    540,542.08x = 746,012.96 × 314,187.60
  4. Step 4: Simplify right side
    540,542.08x = 234,388,021,471.30
  5. Step 5: Solve for x
    x = 234,388,021,471.30/540,542.08
  6. Step 6: Final answer
    x = 433,616.60

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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.