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Finding the Fourth Proportional to 673,205.92, 929,333.40 and 580,958.24

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Solution

The fourth proportional to 673,205.92, 929,333.40 and 580,958.24 is: 801,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,205.92 : 929,333.40 = 580,958.24 : x
  2. Step 2: Convert to fraction form
    673,205.92/929,333.40 = 580,958.24/x
  3. Step 3: Cross multiply
    673,205.92x = 929,333.40 × 580,958.24
  4. Step 4: Simplify right side
    673,205.92x = 539,903,896,437.22
  5. Step 5: Solve for x
    x = 539,903,896,437.22/673,205.92
  6. Step 6: Final answer
    x = 801,989.23

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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.