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Finding the Fourth Proportional to 620,606.96, 930,891.84 and 171,355.24

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Solution

The fourth proportional to 620,606.96, 930,891.84 and 171,355.24 is: 257,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,606.96 : 930,891.84 = 171,355.24 : x
  2. Step 2: Convert to fraction form
    620,606.96/930,891.84 = 171,355.24/x
  3. Step 3: Cross multiply
    620,606.96x = 930,891.84 × 171,355.24
  4. Step 4: Simplify right side
    620,606.96x = 159,513,194,657.24
  5. Step 5: Solve for x
    x = 159,513,194,657.24/620,606.96
  6. Step 6: Final answer
    x = 257,027.72

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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.