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Finding the Fourth Proportional to 673,573.68, 929,517.48 and 367,639.92

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Solution

The fourth proportional to 673,573.68, 929,517.48 and 367,639.92 is: 507,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,573.68 : 929,517.48 = 367,639.92 : x
  2. Step 2: Convert to fraction form
    673,573.68/929,517.48 = 367,639.92/x
  3. Step 3: Cross multiply
    673,573.68x = 929,517.48 × 367,639.92
  4. Step 4: Simplify right side
    673,573.68x = 341,727,731,985.80
  5. Step 5: Solve for x
    x = 341,727,731,985.80/673,573.68
  6. Step 6: Final answer
    x = 507,335.34

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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.