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Finding the Fourth Proportional to 364,518.60, 546,777.90 and 205,086.30

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Solution

The fourth proportional to 364,518.60, 546,777.90 and 205,086.30 is: 307,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,518.60 : 546,777.90 = 205,086.30 : x
  2. Step 2: Convert to fraction form
    364,518.60/546,777.90 = 205,086.30/x
  3. Step 3: Cross multiply
    364,518.60x = 546,777.90 × 205,086.30
  4. Step 4: Simplify right side
    364,518.60x = 112,136,656,432.77
  5. Step 5: Solve for x
    x = 112,136,656,432.77/364,518.60
  6. Step 6: Final answer
    x = 307,629.45

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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.