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Finding the Fourth Proportional to 655,617.96, 983,595.96 and 356,021.64

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Solution

The fourth proportional to 655,617.96, 983,595.96 and 356,021.64 is: 534,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,617.96 : 983,595.96 = 356,021.64 : x
  2. Step 2: Convert to fraction form
    655,617.96/983,595.96 = 356,021.64/x
  3. Step 3: Cross multiply
    655,617.96x = 983,595.96 × 356,021.64
  4. Step 4: Simplify right side
    655,617.96x = 350,181,446,776.57
  5. Step 5: Solve for x
    x = 350,181,446,776.57/655,617.96
  6. Step 6: Final answer
    x = 534,124.24

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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.