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Finding the Fourth Proportional to 531,346.16, 797,191.55 and 318,080.86

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Solution

The fourth proportional to 531,346.16, 797,191.55 and 318,080.86 is: 477,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,346.16 : 797,191.55 = 318,080.86 : x
  2. Step 2: Convert to fraction form
    531,346.16/797,191.55 = 318,080.86/x
  3. Step 3: Cross multiply
    531,346.16x = 797,191.55 × 318,080.86
  4. Step 4: Simplify right side
    531,346.16x = 253,571,373,808.73
  5. Step 5: Solve for x
    x = 253,571,373,808.73/531,346.16
  6. Step 6: Final answer
    x = 477,224.44

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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.