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Finding the Fourth Proportional to 546,201.54, 818,739.35 and 209,150.10

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Solution

The fourth proportional to 546,201.54, 818,739.35 and 209,150.10 is: 313,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,201.54 : 818,739.35 = 209,150.10 : x
  2. Step 2: Convert to fraction form
    546,201.54/818,739.35 = 209,150.10/x
  3. Step 3: Cross multiply
    546,201.54x = 818,739.35 × 209,150.10
  4. Step 4: Simplify right side
    546,201.54x = 171,239,416,926.44
  5. Step 5: Solve for x
    x = 171,239,416,926.44/546,201.54
  6. Step 6: Final answer
    x = 313,509.58

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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.