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Finding the Fourth Proportional to 505,353.60, 758,426.55 and 352,557.03

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Solution

The fourth proportional to 505,353.60, 758,426.55 and 352,557.03 is: 529,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,353.60 : 758,426.55 = 352,557.03 : x
  2. Step 2: Convert to fraction form
    505,353.60/758,426.55 = 352,557.03/x
  3. Step 3: Cross multiply
    505,353.60x = 758,426.55 × 352,557.03
  4. Step 4: Simplify right side
    505,353.60x = 267,388,611,941.15
  5. Step 5: Solve for x
    x = 267,388,611,941.15/505,353.60
  6. Step 6: Final answer
    x = 529,111.92

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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.