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Finding the Fourth Proportional to 539,102.28, 744,200.24 and 348,208.80

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Solution

The fourth proportional to 539,102.28, 744,200.24 and 348,208.80 is: 480,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,102.28 : 744,200.24 = 348,208.80 : x
  2. Step 2: Convert to fraction form
    539,102.28/744,200.24 = 348,208.80/x
  3. Step 3: Cross multiply
    539,102.28x = 744,200.24 × 348,208.80
  4. Step 4: Simplify right side
    539,102.28x = 259,137,072,530.11
  5. Step 5: Solve for x
    x = 259,137,072,530.11/539,102.28
  6. Step 6: Final answer
    x = 480,682.58

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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.